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. 2020 Oct 10;20(11):62. doi: 10.1007/s11892-020-01341-9

Table 1.

Prevalence of diabetes mellitus across Latin America based on reports published from 2005 to 2020

Author (reference) Study period Place (study name, if available) Type of study Sample characteristics Glycemic criteria Diabetes prevalence and other key findings
Mexico
  Olaiz-Fernandez, 2007 [33] 1999–2000 Mexico National Health Survey - Encuesta Nacional de Salud 2000 (ENSA 2000))

N = 45,294 (52% women)

Age ≥ 20 years

Self-report and capillary fasting glucose levels ≥ 126 mg/dL or random ≥ 200 mg/dL

Total prevalence: 7.5%, of which 77.3% was self-reported

Men: 7.2% (5.5% self-reported)

Women: 7.8% (6.2% self-reported)

Increased with age urban: 8.1%; rural: 6.5%

Inverse relationship to educational attainment and income Geographic differences > in the North and lower in the South

  Meaney, 2007 [34] 2001–2002 Mexico (Factores de Riesgo en México –FRIMEX) Volunteer sample recruited via mobile clinics near public places in Monterrey, Tijuana, Guadalajara, Mexico City, Puebla, and León

N = 140,017 (58% women)

Age ≥ 18 years

Fasting blood glucose ≥ 126 mg/dL or random ≥ 200 mg/dL

Self-report and medication intake

Total prevalence of diabetes was 10.5%.. Prevalence by sex and self-reported diabetes was not reported.
  Stoddard, 2011 [35] 2002 Mexico (Mexican Family Life Survey)

Secondary analysis

Stratified multi-stage sampling

N = 19,577 (53% women)

Age ≥ 20 years

Self-report

Prevalence of diabetes among indigenous participants was 6%, and among non-indigenous participants was 9%.

Indigenous participants were 3 times more physically active and reported half of the prevalence of smoking than non-indigenous participants but lived in settings with more fragile infrastructure.

  Secretaría de Salud de México, Instituto Nacional de Salud Pública (INSP), 2006 [36] 2006 Mexico (National Health and Nutrition Survey - ENSANUT 2006) Probabilistic, poly-stage, stratified and clustered sampling. N = 1476 households (planned) (52.1% women) Age: all Self-report and blood tests

Prevalence (self-report): 7.0% Laboratory test results not available men: 6.5%, women: 7.3% Increased with age

No information on urban-rural differences

  Kumar, 2016 [37] 2012 Mexico (Mexican Health and Aging Study)

Sub-analysis

Cross-sectional data from the

2012 cohort. Participants recruited in four Mexican states with different urban/rural concentration, U.S.-Mexico migration patterns and diabetes prevalence

N = 2012 (sex breakdown not reported)

Age ≥ 50 years

Self-report and HbA1c ≥ 6.5%

Prevalence of self-reported diabetes: 21.4% S Undiagnosed diabetes: 18%.

Participants living in a high US migration state had decreased odds of prediabetes and undiagnosed diabetes.

  Secretaría de Salud de México,

Instituto Nacional de Salud Pública (INSP), 2012 [38]

2012 Mexico [Encuesta Nacional de Salud y Nutrición (ENSANUT 2012)] National Health and Nutrition Survey Stratified probabilistic sampling N = 46,303 (52.7% women) age ≥ 20 years Self-report and blood tests

Prevalence (self-report): 9.2% (blood test results not available)

Men: 8.6%

Women: 9.7%

Increased with age

Urban

  Bello-Chavolla, 2016 [39] 1993–2012 Mexico Review of four cycles of the National Health and Nutrition Survey “ENSANUT” NA Self-report and detected during the examination

Increasing total prevalence:

1993: 6.7%, 2000: 7.5%, 2006: 14.4%; incomplete data for 2012 In 2006: 7.1% self-reported, and 7.3% newly diagnosed

In 2006, higher prevalence in urban areas (15.5%) compared with rural areas (10.3%)

  Secretaría de Salud de México, Instituto Nacional de Salud Pública (INSP), 2016 [40] 2016 Mexico [Encuesta Nacional de Salud y Nutrición de Medio Camino (ENSANUT-MC 2016)]

National Health and Nutrition Survey

Stratified probabilistic sampling

N = 29,795 (51.1% women) all ages Self-report and blood tests Self-reported: 9.4% (blood tests not available) greater in women than in men. Regional variation.
  Basto-Abreu, 2020 [41] 2016 Mexico (ENSANUT-MC 2016) Secondary data analysis of 3700 participants with diabetes N = 3700 (52.6% women) Self-report and/or fasting blood glucose ≥126 mg/dL and HbA1c ≥ 6.5%

Total prevalence = 13.7%

Self-reported: 9.5%, undiagnosed: 4.1%

Central America

  Brenes-Camacho, 2007 [42]

Brenes-Camacho, 2008 [43]

2004–2006 Costa Rica [Costa Rica: Estudio de Longevidad y Envejecimiento Saludable (CRELES)] Nationally representative sample

N = 3000 (sex breakdown not reported)

Age ≥ 60 years

Self-report, intake of antihyperglycemic medications and/or fasting blood glucose ≥ 126 mg/dL and HbA1c ≥ 6.5%

Total prevalence = 23.4% (women = 27.5%; men = 18.8%)

Self-reported = 21%, Undiagnosed = 2.4% among those with diabetes:

95.7% participants had health insurance

61.2% were women

54% lived in the metropolitan capital city area

  Wong-McClure, 2015 [44] 2010 Costa Rica (Costa Rican National Cardiovascular Risk Factors Surveillance System) Probabilistic sampling N = 3653 (men = 1023; women = 2630) Age ≥ 20 years

Previously diagnosed = self-report, use of insulin, or hypoglycemic oral treatment in past 2 weeks.

Unknown diabetes = no self- report with fasting blood

glucose >125 mg/dL

Total prevalence 10.8% (women = 11.9%; men = 9.5%)

Self-reported = 9.5% Undiagnosed = 1.3% prevalence increased with age.

Over 75% participants had less than high school education.

  Orantes, 2011 [45] 2009 El Salvador (Nefrolempa Study)

Assessment of risk factors for chronic kidney disease (CKD) Communities represented in this

study are mostly poor and

primarily work in agriculture.

N = 775 (men = 343; women = 432)

Age ≥ 18 years

Self-report or fasting blood glucose ≥ 126 mg/dL Total prevalence = 10.3%
  Orantes Navarro, 2015 [46] 2009–2011 El Salvador (Study related to the Nefrolempa Study) Assessment of risk of CKD in women from low-income three agricultural communities

N = 1412 all women

Aged ≥18 years

Self-report and fasting plasma glucose ≥126 mg/dL Total prevalence = 9.3%
  Ministerio de Salud de El Salvador, 2015 [47] 2013–2014 El Salvador (Encuesta Nacional de Enfermedades Crónicas No Transmisibles y Factores de Riesgo en la Población Adulta de El Salvador. ENECA-ELS 2015)

National Survey

Two-stage probabilistic sampling

(STEPS)

N = 4817 (56.4% women) Age ≥ 20 years

Self-report and fasting plasma

glucose ≥ 126 mg/dL

Overall: 12.5%

Men: 10.6%, women: 12.5%

Prevalence increased with age and was higher in the metropolitan area (San Salvador).

  Chen, 2017 [48] 2012–2013 Guatemala (Non-Communicable Disease Surveillance Study in Santiago de Atitlán)

Indigenous populations

Simple random sampling

N = 350 (72.3% women) Age not specified Self-report and fasting blood glucose

Prevalence = 3% (1.3% previously known, 1.7%

previously unknown)

Despite high rates of poverty, hypertension, and dyslipidemia, there was a low rate of diabetes compared to other regions of the country.

  Ministerio de Salud Pública y Asistencia Social de Guatemala, 2018 [49] 2015 Guatemala (Encuesta Nacional de Prevalencia de Enfermedades No Transmisibles y sus Factores De Riesgo Dominio I: Urbano Metropolitana)

National Survey – Metropolitan

Area only

Random, stratified sampling (STEPS)

N = 2036

(77.4% women)

Age ≥ 18 years

Self-report; fasting CBG ≥ 110 mg/dL

Self-reported prevalence = 11.3%

Women: 9.5% diagnosed within last 12 years (total 12.5%)

Men: 7% diagnosed within last 12 years (9.9% total)

  Bream, 2018 [50] 2018 Guatemala

Geographic-randomized

Focus on indigenous populations in the rural highland region of Atitlán.

N = 400

(69.1% women) Age ≥ 18 years

FBG > 7.0 mmol/L (≥ 126 mg/dL) HbA1c > 6.5%

Total: 13.81% (women = 14.56%; men = 12.20%)

Prevalence increased with age, but not BMI (kg/m2).

  Montalván Sánchez, 2020 [51] 2016–2017 Honduras

CVD burden in Copán

First study on CV Risk Factors in Western Honduras

Random volunteer-based, cross sectional descriptive study

Attending both private and public medical institutions in the Department of Copán

N = 384

(62% women)

Age: 45–75 years

Self-report and taking meds; fasting blood glucose >125 mg/dL

Self-reported diabetes: women = 22.1% and men =19% (overall 21%)

6.7% with abnormal blood glucose without a previous diagnosis of diabetes.

  Laux, 2012 [52] 2007–2009 Nicaragua

Study on the prevalence of diabetes and hypertension in one urban and five rural communities in Nicaragua

Five communities in the northwest (Leon and Chinandega) and one community in central Nicaragua (Matagalpa)

N = 1355 (56.5% women) Age: 20–60 years

Self-report or glucosuria ≥ 100 mg/dL, uncontrolled diabetes solely diagnosed as glucosuria

> 100 mg/dL

Total prevalence = 3.0% (40/1355); 33 (82.5% women).

Prevalence in persons with normal blood pressure = 1.6%

Prevalence in persons with hypertension = 7.7%

  Lebov, 2015 [53] 2010–2011 Nicaragua (León Health and Demographic Surveillance System) Randomly selected 50 of 208 pre-defined geographical clusters N = 3000 (57.6% women) Age: 18–70 years Self-report and?

Total prevalence = 7.2%; 5% of the total (69.4% of those with diabetes) reported previous history of diabetes.

Most of the participants lived in poverty.

  Ferguson, 2020 [54] 2012–2014 Nicaragua

Study of CVRF in Southwestern Nicaragua

Department of Rivas agricultural communities

N = 1227 (533 households) (56.3% women)

Age range 17.4–101.8 years

Venous blood samples obtained, but unclear if blood glucose measurements used for assessment Overall prevalence, based on self-report = 7%
  McDonald Posso, 2013 [55] 2010–2011 Panama [Primera Encuesta de Factores de Riesgo de Enfermedad Cardiovascular (PREFREC)]

Diabetes sub-analysis

Single-stage, probabilistic and randomized sampling

Provinces of Panama and Colon, 5 health regions and city of Panama

N = 1074 men and 2516 women

Age ≥ 18 years

Self-report or FBG >126 mg/dL or HbA1c ≥ 6.5% (≥ 48 mmol/mol)

7.3% self-reported having diabetes and 2.2% were not aware of having diabetes; hence the estimated prevalence was 9.5%. The age-adjusted rate for the 2012 Panamanian population was 7.7%.

Non-adjusted prevalence: 10.3% in men and 9.1% in women.

Prevalence increased with age.

Highest prevalence among Afro-Panamanians (11.9%), and lowest among indigenous (5.4%).

Caribbean
  Da Silva Coqueiro, 2010 [56] 1999–2000 Cuba

Subsample of participants from Cuba in the National Survey of Health, Wellbeing, and Aging - Encuesta Nacional de Salud, Bienestar, y Envejecimiento (SABE) study

Probabilistic sampling in Havana

N = 1905 (62.8% women) Age ≥ 60 years Self-report

Total prevalence based on self-report = 14.8%

Diabetes was not associated with overweight.

  De Jesús Llibre, 2011 [57] Two phases: 2003–2006 and 2007–2010 Cuba (10/66 Study recruited in Havana City and Matanzas)

Sub-sample analysis

First-stage sampling five municipalities in Havana City Province and the city of Matanzas

N = 2944 (64.7% women) Age ≥ 65 years Self-report (history and medications) and fasting glucose ≥7.0 mmol/L

Overall prevalence = 24.8%

Prevalence in women = 27.5% Prevalence in men = 19.4%

  Herrera-Valdés, 2008 [58] 2004–2006 Cuba [Community-Based Epidemiological Study of Chronic Kidney Disease, Cardiovascular Disease, Diabetes Mellitus and Hypertension (ISYS)]

“Isle of Youth Study”

Focus on prevalence of obesity and its association with other conditions

N = 14,322 (sex breakdown not reported)

Age ≤ 60 years

Self-report and laboratory tests

Prevalence of diabetes in individuals aged ≤ 20 years: 1.3–9.5% for obese and 1.1% for non-obese

Prevalence of diabetes in individuals aged ≥ 20 years: overall 4.7% in non-obese and 11.3% in obese persons.

Prevalence ranged from 5.5 to 21%, by age group

  Armas Rojas, 2008 [59] 2006 Cuba

CV risk among older women in the Havana area

Cross-sectional, catchment area served by the Mártires del Corynthia Polyclinic in Havana Single-stage clustering

Family doctor and nurse offices selected randomly

N = 3396 women

Age ≥ 60 years

Self-report and on treatment Overall = 21.8%
  Bonet-Gorbea, 2014 [60] 2010–2011 Cuba (III Encuesta Nacional de Factores de Riesgo y Actividades Preventivas de Enfermedades No Transmisibles. Cuba 2010–2011)

National Health Survey

Clustered, multi-stage, stratified

N = 7928 persons, from 4150 households (50.3% women)

Age ≥ 15 years

Self-report and fasting blood glucose (≥ 7.0 mmol/L)

Total prevalence: 10.0% (6.1% self-reported) Women: 12.9%, Men: 7.2%

Urban: 11.1%, rural: 6.8%;

Self-reported: 7.1% urban, and 3.0% rural Undiagnosed: 4.2% (4.3% urban, 3.9% rural) Prevalence based on skin color: “negra” (12.3%), “blanco” (10.2%) and “mulato” (8.6%)

  Ministerio de Salud Pública de la República Dominicana, 2014 [61] 2013

Dominican Republic (Encuesta Demográfica y de Salud - República

Dominicana 2013)

National Health Survey

Nationally representative, probabilistic, clustered, stratified and two-stage.

N = 39,564 (19,878 women) Age: women 15–49 years

Age: men 15–59 years

Self-report Prevalence: 3.5% (4% women and 3% men self- reported diagnosis of diabetes)[
  Carrère, 2017 [62] 2014 Guadeloupe

Cross-sectional multicenter study

Persons undergoing a periodic health examination on invitation from the general social security fund of Guadeloupe (CGSS).

N = 2252 (56.5% women) Age: 18–74 years Self-report of antihyperglycemic treatment use, fasting blood glucose ≥ 7 mmol/L (≥ 126 mg/dL), HbA1c ≥ 6.5%

Total prevalence: women 8.2%, men 5%

Previously diagnosed: 6.7% in women, 3.3% in men. Higher prevalence among those with lower education.

  Jean-Baptiste, 2006 [63] 2002–2003 Haiti (Prevalence of Diabetes and Hypertension in Haiti- PREDIAH)

Population-based survey

Two-stage cluster method; representative sample of Port-au-Prince, and six surrounding cities

N = 1620

(331 men, 782 women)

Age ≥ 20 years

Casual Blood Glucose 80 mg/dL (4.4 mmol/L)

Fasting blood glucose ≥ 126 mg/dL (7 mmol/L), and 2-h- post glucose load (OGTT) ≥ 200 mg/dL (11.1 mmol/dL)

Age-standardized prevalence was 4.8% in men and 8.9% in women (77.3% men and 69.2% women known diabetes)

Odds of diabetes were greater with age, abdominal obesity, hypertension, lower educational attainment, and higher income.

  Burkhalter, 2014 [64] 2012–2013 Haiti Single -enter, prospective study in Deschapelles; assessment of prevalence of CKD and associated risk factors

N = 608 patients with full medical datasets (64.5% women)

Age ≥ 18 years

Binary data – physician answered yes/no

Prevalence diabetes = 36.3%

The authors explain that the high prevalence of diabetes may be due to selection bias.

  Ministère de la Santé Publique et de la Population, 2018 [65] 2016–2017 Haiti [Enquête Mortalité, Morbidité et Utilisation des Services (EMMUS-VI)] Random sampling, two-stage, stratified N = 14,371 women aged 15–49; 9795 men aged 15–64, 1142 women 50–64, and 2091 men 35–64 Hemoglobin A1c > 6.5%

In the 35–64 age group, the prevalence of diabetes based on HbA1c > 6.5% was: 14.1% in women and 8.2% in men.

Previously informed of having “hyperglycemia”: 3% of women and 2% of men.

Prevalence Urban (Women 17%, men 12%) Prevalence Rural (Women 11%, men 7%)

Prevalence increased with “bien-être économique du menage”.

Due to the high prevalence of iron-deficiency anemia, HbA1c may have been elevated.

  Geiss, 2012 [66] 1995–2010 Puerto Rico [Behavioral Risk Factors Surveillance Systems (BRFSS)] Sub-analysis based on four cycles Random-digit-dialed telephone surveys of noninstitutionalized US civilian adults aged ≥18 years

N = Not reported

Age ≥ 18 years

Self-reported only Prevalence (age-adjusted for adults aged ≥18 years) 1995: 11.7%, 2000: 9.3%, 2005: 12.5%, and 2010: 12.7%
  Pérez, 2015 [67] 2005–2007 Puerto Rico Household survey in San Juan metropolitan area

N = 857

(65.7% women)

Age: 21–79 years

Self-report and/or FPG ≥ 126 mg/dL and HbA1c ≥ 6.5%

Age-standardized: total 25.5% (11.4% undiagnosed) 89% had health insurance; 67.2% with annual income < $20 K

They compared prevalence using FPG alone or combination of FPG and HbA1c to detect undiagnosed diabetes. FPG + HbA1c yielded a higher percentage than either one alone.

  Pickens, 2019 [68] 2015 Puerto Rico (2015 BRFSS) As described above

N = 3642 (sex breakdown not reported)

Age ≥ 45 years

Self-report only Aged-adjusted prevalence in adults aged ≥ 45 years was 26.8%
  Cruz, 2016 [69] 2014 Puerto Rico Analysis of surgical cases from various hospitals in the San Juan metropolitan area

N = 2603 surgical patients

(56% women)

Age: all

Medical records Prevalence = 21% but increased to 40% in patients aged ≥ 65 years. Statistically significant greater percent of complications and mortality for patients with diabetes.
South America
  Ministerio de Salud de Argentina, 2011 [70] 2009 Argentina (2nda Encuesta Nacional de Factores de Riesgo para Enfermedades No Transmisibles) Second National Survey on Risk Factors for Non-Communicable Diseases- 4-stage, probabilistic, clustered sampling of 24 jurisdictions

N = 34,732

(No sex breakdown)

Age ≥ 18 years

Self-report only

Self-report of diabetes and/or elevated blood glucose = 9.6% (an increase from 8.4% in 2005).

Prevalence of diabetes in women = 10.2%, and in men = 8.9%.

Prevalence of diabetes increased with age and with lower educational attainment.

  Ministerio de Salud de Argentina, 2015 [71] 2013 Argentina (3ra Encuesta Nacional de Factores de Riesgo para Enfermedades No Transmisibles) Third National Survey on Risk Factors for Non-Communicable Diseases 4-stage, probabilistic, clustered sampling N = 32,365 (52.6% women) Age ≥ 18 years Self-report only

Prevalence = 9.8% with no sex differences

Prevalence of diabetes increased with age.

  Ministerio de Salud de Argentina, 2019 [72] 2018 Argentina (4ta Encuesta Nacional de Factores de Riesgo para Enfermedades No Transmisibles)

Fourth National Survey on Risk Factors for Non-Communicable Diseases

4-stage, probabilistic, clustered sampling

Three steps sampling and exam: Step 2:

16,577 and for Step 3: 5331

(No sex breakdown)

Age ≥ 18 years

Self-report and fasting blood glucose (CBG ≥ 110 mg/dL)

Prevalence: 12.7% based on self-report (women:

13.7%, men: 11.6%)

In addition, 5% who did not report having diabetes had CBG ≥ 110 mg/dL.

Diabetes prevalence increased with age, and with lower educational attainment.

  Barceló, 2001 [73] 1998 Bolivia Population-based survey of households in four urban areas: La Paz, El Alto, Santa Cruz, Cochabamba

N = 2948 adults (1036 men; 1497 women)

Age ≥ 20 years

Fasting blood glucose ≥ 126 mg/dL and OGTT

Total prevalence = 7.2%

Greater prevalence among those with more limited education. Greater prevalence among Aymara-speaking participants.

  Kaplan, 2017 [74] 2014–2015 Bolivia Assessment of CAD in the Tsimane population of Bolivia (Maniqui River)

N = 705 (sex breakdown not specified)

Age ≥ 40 years

Fasting blood glucose > 6.9 mmol/L Prevalence was almost zero. Other CV assessments revealed low to negligible presence of CAC, and other CV risk factors.
  Busch Mendes, 2011 [75] 2003 Brazil

São Paulo

Probabilistic sampling, two-stage

N = 842 (406 men; 436 women)

Age ≥ 60 years

Self-report

Prevalence: 26.31% (15.54% in men, 18.89% in

women)

Inverse relationship with educational attainment

  Schmidt, 2014 [76] 2008–2010 Brazil [Estudo Longitudinal da Saúde do Adulto (ELSA- Brasil)] Prospective cohort study of active or retired civil servants

N = 15,102

(6685 men, 8217 women)

Age: 35–74 years

Self-report

Fasting plasma glucose ≥ 126 mg/dL, 2 h-OGTT ≥ 200 mg/dL or HbA1c ≥ 6.5%

Prevalence (by self-report or medication use): 19.7% Percent undiagnosed: 50.4% of the total

Higher prevalence of diabetes among those with less than primary education, Asian, black, and indigenous participants.

  Dal Fabbro, 2014 [77] 2008–2012 Brazil Descriptive study on health of Xavante Indians from Mato Grosso N = 948 (463 men; 485 women) Age ≥ 20 years Capillary sample, although venous samples were obtained for other biomarkers; HbA1c Total age-adjusted: 28.3% (18.4% in men, 40.6% in women)
  Ministerio do Planejamento, Orçamento e Gestão, 2014 [78] 2013 Brazil (Pesquisa Nacional de Saúde -PNS 2013) Brazilian National Health Survey Random, clustered, three-stage sampling N = 62,986 households (no sex breakdown) Age ≥ 18 years Self-report; HbA1c was tested, but results not presented in this report

Prevalence based on self-report = 6.2% (7.0% in

women, 5.4% in men)

Prevalence increased with age and with lower educational attainment.

  de Oliveira, 2018 [79] 2006–2016

Brazil [Surveillance Systems of Risk and Protection Factors for Chronic Diseases by Telephone Survey

(Vigitel)]

Secondary analysis

National Telephone Survey

Quantitative review

N = 572,437 adults (sum of all years) (no sex breakdown)

Age ≥ 18 years

Self-report

Prevalence (2016): 8.9% Increased from 5.5% in 2006

Higher prevalence among women, with lower income, and with lower education.

  Ministério da Saúde do Brasil, 2019 [80] 2018 Brazil Vigilância de Fatores de Risco e Proteção para Doenças Crônicas por Inquérito Telefônico (VIGITEL BRASIL 2018)

National Telephone Survey Capital cities of each of the 26 states and the Federal District, land lines

Random, stratified

N = 52,395

19,039 men, 33,356 women

Age ≥ 18 years

Self-report only

Prevalence self-reported: 7.7% (8.1% in women, 7.1% in men)

Diabetes prevalence Increased with age.

  Ministério da Saúde do Brasil, 2020 [81] 2019 Brazil Vigilância de Fatores de Risco e Proteção para Doenças Crônicas por Inquérito Telefônico (VIGITEL BRASIL 2019) National Telephone Survey

N = 52,443

18,354 men, 34,089 women

Age ≥ 18 years

Self-report only Prevalence self-reported: 7.4% (7.8% in women, 7.1% in men). Diabetes prevalence Increased with age.
  Santos, 2001 [82] 1997 Chile Aymara in Northern Chile living in rural areas in the highlands

N = 196 (78 men, 118 women)

Age ≥ 20 years

Fasting blood glucose and 2 h- post glucose load (OGTT) Prevalence of 1.3% in men and 1.7% in women
  Carrasco, 2004 [83] NR Chile Mapuche and Aymara living in four urban communities of Santiago and northern Chile; volunteers

Mapuche (42 men, 105 women) Aymara (42 men, 118 women)

Age ≥ 20 years

Fasting blood glucose and 2-h post glucose load (OGTT)

Assessed two indigenous groups, Aymara and Mapuche

Prevalence among Aymara: 6.9% (2.4% in men, 8.5% in women)

Prevalence among Mapuche: 8.2% (14.3% in men, 5.7% in women)

  Cuevas, 2008 [84] 1993–2001 Chile

Cross-sectional epidemiology study

Only from urban sector La Florida in Santiago, Mid socioeconomic level

N = 964 (336 men, 628 women)

Age ≥ 18 years

Fasting plasma glucose ≥ 126 mg/dL and/or self-reported diagnosis

Total prevalence in 2001: 10.1% (10.7% women., 8.9% men)

The total prevalence of diabetes in 1993 was 3.8%.

  Ministerio de Salud de Chile, 2010 [85] 2009–2010 Chile (Encuesta Nacional de Salud, ENS Chile 2009–2010) Random sampling of households (multi-stage and stratified), representative of the national, regional, and urban/rural zones, cross-sectional analysis N = 5, 416 (59% women) Age ≥ 15 years Self-report and FPG ≥ 126 mg/dL and HbA1c

Total prevalence = 9.4% (8.4% in men, 10.4% in women) based on self-report and FPG.

Diabetes prevalence increased with age and with lower educational attainment.

Greatest prevalence in women of the lowest educational level

  Ministerio de Salud de Chile, 2017 [86] 2016–2017 Chile (Encuesta Nacional de Salud, ENS Chile 2016–2017) National random sampling of households (multi-stage and stratified), representative of the national, regional, and urban/rural zones, cross-sectional analysis N = 6233 (62.9% women) Age ≥ 15 years Self-report and FPG ≥ 126 mg/dL

Total prevalence = 12.3% (10.6% in men, 14.0% in women)

Diabetes prevalence increased with age (30.6% in persons aged ≥ 65 years) and with lower educational attainment (24.8% with < 8 years of education)

  Rodríguez, 2009 [87] 2007

Colombia [Encuesta Nacional de

Salud (ENS)]

National Health Survey Probabilistic, national representative including 41,543 households N = 164,474 persons (52.5% women) Subsample of those in the 18–69-year age group had additional interviews and exams (glycemia) Self-report

Prevalence = 3.0% based on self-report, per Executive

Summary

  Camacho, 2020 [88] 2005–2009 Colombia [Prospective Urban Rural Epidemiology (PURE) Study] Sub analysis of data from Colombia N = 7485 (64.1% women) Age: 35–70 years Self-report Prevalence: 5.7% (6.0% in women, 5.1% in men) Greater prevalence with lower education
  Profamilia, 2011 [89] 2010 Colombia [Encuesta Nacional de Demografía y Salud (ENDS 2010)] National Health Survey Nationally-representative, in urban and rural settings, probabilistic, clustered, stratified and poly-staged.

N = 17,574

No sex breakdown

Age > 60 years

Self-report Prevalence only reported for adults aged ≥ 60 years Self-reported prevalence: 11.2% (12.2% urban, 8.3% rural; 12.8% in women and 9.0% in men)
  Orces, 2018 [90] 2010 Ecuador [National Survey of Health, Wellbeing, and Aging - Encuesta Nacional de Salud, Bienestar, y Envejecimiento (SABE)] Secondary data analysis Probability sampling in Andes Mountains and coastal regions, multi-stage sampling

N = 2298 (1041 men, 1257 women)

Age ≥ 60 years

Self-report or FPG ≥ 126 mg/dL

Prevalence = 16.7%

Higher among women, blacks, urban coastal, and obese individuals. Higher in urban coastal areas.

  Ministerio de Salud Pública de Ecuador [91] 2012 Ecuador [Encuesta de Salud y Nutrición del Ecuador (ENSANUT-ECU 2012)]

National Health and Nutrition Survey

Probabilistic, stratified, three-stage, and cluster sampling

N = 15,916 (49% women) Age: 10–59 years Self-report and FPG ≥ 126 mg/dL

Overall prevalence = 2.7%

Diabetes prevalence increased with age. No sex differences.

Higher prevalence among Afro-Ecuadorian: 3.1% Higher prevalence in urban (3.2%) compared to rural (1.6%) areas.

Prevalence was higher in persons from coastal than mountain regions.

  Tufton, 2015 [92] 2012 Ecuador

Santa Cruz Island, Galápagos Santa Cruz is the main island Diabetes screening program at

the main local clinic

N = 141 (59.6% women) Age ≥ 18 years Medical history and fasting blood glucose > 126 mg/dL

Prevalence based on self-report: 16.3%

Undiagnosed: 11.3% who had fasting blood glucose > 126 mg/dL

  Alexander, 2017 [93] 2014 Ecuador

Isabela, Galápagos

Secondary data analysis -source unknown

N = 534 (67% women) Age ≥ 21 years Fasting blood glucose, postprandial glucose

Prevalence in persons aged ≥ 50 years: 24%

Prevalence in persons aged < 50 years: 8%

  Bonilla-Sierra, 2020 [94] 2019 Ecuador

Loja, Ecuador 10th most populous town

Patients attending health care centers of the Health Ministry of Ecuador or living in the geriatric center

N = 283 (130 women)

Age ≥ 60 years

Self-report Total prevalence = 28.27%
  Chaves, 2015 [95] 2006–2013 Paraguay [Asunción, Modificación de Factores de Riesgo Cardiovascular – (AsuRiesgo)]

Urban area of Asunción

In-hospital and outpatient clinic patients, in waiting rooms invited to participate.

Single-center, prospective study

N = 18,287 (67.5% women) Ages ≥ 18 years Self-report and fasting blood glucose Overall Prevalence: 13.3% (14% in women, 11.8% in men)
  Ministerio de Salud Pública y Bienestar Social de Paraguay, 2012 [96] 2010–2011 Paraguay (Primera Encuesta Nacional de Factores de Riesgo de Enfermedades No Transmisibles en Población General) First National Health Survey Probabilistic, three-stage sampling

N = 2538 (49.4% women)

Ages: 15–74 years

Self-report Overall: 9.7% (women 11.1%, men 7.9%) Increased with age
  Segura-Vega, 2006 [97] 2004 Peru (TORNASOL I) Cross-sectional, random sampling in 26 cities across the whole country N = 14,826 (50.5% women) Age ≥ 18 years Self-report

Overall = 3.3% self-reported, with no lab assessment performed.

Higher prevalence in men. Lower prevalence in the highlands. Prevalence increased with SES and having health insurance.

  Ministerio de Salud de Perú, 2006 [98] 2005 Peru [Encuesta Nacional de Indicadores Nutricionales, Bioquímicos, Socioeconómicos y Culturales Relacionados con las Enfermedades Crónico Degenerativas (ENINBSC-ECNT 2005)]

National Survey

Stratified and clustered sampling

N = 4206 (50.1% women) Age ≥ 20 years Blood glucose ≥ 100 mg/dL with self-report, random ≥ 200 mg/dL with no previous history, or taking diabetes medications

Previous diagnosis: 3.7% Unaware: 2.8%

Higher prevalence in men and with increasing age. Higher diabetes prevalence in metropolitan area Lima

(6%) and lowest in the Sierra Urbana (0.9%)

  Miranda, 2011 [99] 2007–2008

Peru

(PERU MIGRANT)

Cross-sectional survey of three population-based groups: rural, rural-urban migrants, and urban

Single-stage random sampling

N = 1706 (52.8% women) Age > 30 years Fasting glucose, HbA1c A gradient was reported for age-standardized prevalence of diabetes: 0.8% rural, 2.8% rural-to-urban migrants, and 6.3% urban.
  Segura-Vega, 2013 [100] 2010–2011 Peru (TORNASOL II)

Comparison with first wave

Similar sampling and 26 cities

N = 14, 675 (50.8% women)

Age ≥ 18 years

Self-report

Diabetes prevalence: 4.4%

Prevalence increased with socioeconomic status and having health insurance.

  Seclen, 2015 [101] 2010–2012 Peru (PERUDIAB) Random cluster sampling of urban and suburban areas

N = 1677 (sex breakdown not reported)

Age ≥ 25 years

Self-report and fasting plasma glucose ≥ 126 mg/dL

History of pharmacological treatment

7.0% (National), 8.4% in Lima (7. 01% in men, 7.04% in women)

Diabetes prevalence was higher in coastal (8%) than in highlands (4%), and significantly higher among those without formal education.

  Bernabé-Ortiz, 2016 [102] 2010–2011 Peru (CRONICAS) Single-stage random sampling N = 3135 (48.5% men) Age ≥ 35 years Fasting blood glucose ≥ 126 mg/dL or self-report and taking meds Baseline prevalence was 7.1%; 121 new cases in mean 2.4 years.
  Krishnadath, 2016 [103] 2013 Suriname (Suriname Health Study) Stratified multistage cluster sample of households

N = 3393 (48.5% men)

Age: 15–65 years

Fasting blood glucose ≥

7.0 mmol/L or self-reported diabetes medication use

Prevalence: 13.0%

Highest prevalence for Hindustanis (23.3%).

Higher prevalence for lower income. Lower prevalence in rural areas.

  Minderhoud, 2015 [104] 2013–2014 Suriname [The Rapid Assessment of Avoidable Blindness (RAAB)]

Random clusters

Survey; sub-analysis

N = 2806

689 had diabetes (274 men, 415 women) Age > 50 years

Previously diagnosed, receiving treatment, random blood glucose of ≥ 200 mg/dL

Prevalence: 24.6%

Highest prevalence for Hindustanis and urban dwellers

  Ministerio de Salud Pública de Uruguay, 2007 [105] 2006 Uruguay (Primera Encuesta Nacional de Factores de Riesgo de Enfermedades Crónicas No Transmisibles - ENFRECNT)

National Health Survey

Multi-stage

Cluster stratification Representative sampling of urban areas

N = 2008 (1324 women)

Age: 25–64 years

Self-report; fasting blood glucose ≥ 110 mg/dL

Total prevalence: 5.5%

Men = 6.2%, Women = 4.7%

No sex differences

  Fort, 2012 [106] 2008–2011 Uruguay CVRF assessment of national health insurance card applicants Cross-sectional, electronic records

N = 74,420 patients (51% women)

Age ≥ 15 years

Self-report and/or fasting blood glucose > 125 mg/dL

Prevalence in men: 2.4–20.2% (6.8%)

Prevalence in women: 1.5–14.3% (6.1%)

  Ministerio de Salud Pública de Uruguay, 2014 [107] 2013 Uruguay (Segunda Encuesta Nacional de Factores de Riesgo de Enfermedades No Transmisibles – ENFRENT)

National Health Survey Representative sampling of urban areas

Cluster stratification

N = 3204 (1539 women)

Age: 15–64 years

Self-report and taking meds; fasting blood glucose ≥ 126 mg/dL

Total prevalence: 6.0% (25–64, men 7.4%, women 7.8%; 55–64 = 16.8%)

Undiagnosed: 50.2%

Non-diagnosed and non-treated 66.3% men, 30.7%

women, overall 48.9%

  Nieto-Martínez, 2018 [108] 2006–2010 Venezuela [Venezuela Metabolic Syndrome, Obesity and Lifestyle Study (VEMSOLS)] Multi-stage stratified random sampling Andes, Western and Capital District

N = 1334 (men = 419, women = 915)

Age ≥ 20 years

Self-report and blood samples (plasma glucose) Age-adjusted prevalence = 8.0% Higher among men
Multinational studies
  Menéndez, 2005 [109] 2000–2001 Argentina, Cuba, Mexico, Uruguay, Chile and Brazil [National Survey of Health, Wellbeing, and Aging- Encuesta Nacional de Salud, Bienestar, y Envejecimiento (SABE)]

Sub-analysis

Multi-stage probabilistic sampling in capital cities

N = 10,891

(58.9–65.7% women across sites)

Age ≥ 60 years

Self-report Buenos Aires: 12.5%, São Paulo: 17.7%, Santiago: 13.3%, Mexico City: 21.9%, and Montevideo: 13.0%
  Escobedo, 2009 [110] 2003–2005

Venezuela, Colombia, Argentina, Peru, Mexico, Ecuador, and Chile [Cardiovascular Risk Factor

Multiple Evaluation in Latin America (CARMELA)]

Cross-sectional, population-based, observational study. Equiprobabilistic sampling of households; only urban sites

N = 11,550 (38.58–49.53% men across sites)

Age: 25–64 years

Fasting blood glucose ≥ 7.0 mmol/L or self-reported diagnosis

Prevalence of DM was 7% (range 4–9%)

Weight adjusted: (Barquisimeto: 6.0%, Bogotá: 8.1%, Lima: 4.4%, Mexico City: 8.9%, Quito:5.9%, Santiago:7.2%)

Generally higher in women, increasing prevalence with age.

  Barceló, 2012 [111] 2003–2006

Belize, Costa Rica El Salvador

Guatemala Honduras

Nicaragua

[Central America Diabetes

Initiative (CAMDI)]

Cross-sectional survey of six Central American Populations Probabilistic sampling; it included the entire population of Belize and samples from urban areas in the other countries.

N = 10,822 (50.2% women)

7234 underwent anthropometry measurement and laboratory tests

Self-report, fasting blood glucose ≥ 126 mg/dL, 2-h OGTT ≥200 mg/dL

Belize: 12.9% (men: 8.3%, women: 17.6%) Costa Rica: 8.8% (men: 9.6%, women: 8.0%) El Salvador: 7.6% (men: 8.7%, women: 6.8%)

Guatemala: 7.3% (men: 7.8%, women: 6.8%)

Honduras: 5.4% (men: 5.5%, women: 5.4%) Nicaragua: 9.8% (men: 9.1%, women: 10.5%)

Total prevalence across all sites: 8.5%

40% were undiagnosed.

  Salas, 2016 [112] 2003–2009 Cuba Dominican Republic Puerto Rico Venezuela Peru Mexico (10/66 Dementia Research Group)

Sub-analysis

Population-based studies in 13 catchment areas in six Latin American countries: urban areas in Cuba, Dominican Republic, Puerto Rico and Venezuela, and urban and rural areas in Peru and Mexico

N = 17, 945 including sites in India, China and Nigeria

Age ≥ 65 years

Self-report and fasting blood glucose > 7 mmol/L

BP and TG and TC were also assessed

Self-report:

Cuba: 18.3% (women > men)

Dominican Republic: 14.0% (women > men) Peru Urban: 8.7% (men > women)

Peru Rural: 10.3% (women> men) Venezuela: 16.2% (no difference) Mexico Urban: 24.9% (no difference) Mexico Rural: 19.2% (women > men) Puerto Rico: 32.2% (men > women)

Undiagnosed:

Cuba: 5.7% (men > women)

Dominican Republic: 3.3% (women > men) Peru Urban: 3.3% (men > women) Venezuela: 4.9% (men > women)

Mexico Urban: 2.5% (no difference) Mexico Rural: 4.8% (men > women)

Puerto Rico: 11.6% (men > women)

  Rubinstein, 2015 [113] 2010–2011 Argentina, Chile and Uruguay [Centro de Excelencia en Salud Cardiovascular para el Cono Sur I (CESCAS I)]

4 small- to mid-size cities

4-stage stratified sampling

N = 7524 men and women

Age: 35–74 years

Fasting blood glucose ≥ 110 mg/dL or taking medications for diabetes Prevalence diabetes women 14%, men 9.4% (Marcos Paz 11.9%; Bariloche 8.4%, Temuco 14.3%; Barrios Blancos 14.2%)
  Macincko, 2019 [114] 2013–2014 Brazil, Colombia El Salvador, Jamaica, Mexico, and Panama (Inter-American Development Bank’s International Primary Care Survey)

Sub-analysis

National sample adults, noninstitutionalized selected nationwide list of households and interviewed by phone (including mobile phones and landlines); 1500 interviews per country

N = NR (sex breakdown not reported)

Age ≥ 18 years

Self-report

19% had diabetes only. In addition to diabetes, six additional chronic conditions were assessed.

30.7% had one additional condition, 25.6% had 2 additional conditions, and 24.8% had 3 or more.