Table 1.
Characteristics of studies and participants included in the analysis: all participants, participants without diagnosed diabetes, and participants without diagnosed diabetes who had FPG ≥7.0 mmol l−1 and/or HbA1c ≥6.5%
| Number of studies | Number of countries (% of all countries in the region or world) | Median year of studies | Number of participants | Percent female (%) | Mean (s.d.) age (years) | Mean FPG (mmol l−1) | Mean HbA1c (%) | Mean BMI (kg m−2) | |
|---|---|---|---|---|---|---|---|---|---|
| All participants | |||||||||
| Central and eastern Europe | 8 | 4 (20%) | 2012 | 51,352 | 55.6 | 55 (11) | 5.8 | 5.5 | 28.2 |
| Central Asia, Middle East and north Africa | 10 | 5 (18%) | 2015 | 73,109 | 54.4 | 47 (15) | 5.7 | 5.9 | 27.7 |
| High-income western | 48 | 11 (41%) | 2010 | 190,276 | 53.2 | 53 (18) | 5.6 | 5.5 | 27.8 |
| Latin America and the Caribbean | 17 | 11 (31%) | 2016 | 75,257 | 62.3 | 48 (18) | 5.7 | 5.7 | 28.3 |
| South Asia | 8 | 2 (29%) | 2012 | 87,404 | 54.4 | 42 (14) | 5.9 | 6.0 | 23.1 |
| East and southeast Asia and the Pacific | 19 | 7 (41%) | 2012 | 112,854 | 56.2 | 52 (16) | 5.6 | 5.7 | 24.0 |
| Sub-Saharan Africa | 7 | 5 (10%) | 2014 | 11,055 | 62.6 | 49 (14) | 6.1 | 6.2 | 26.3 |
| All studies | 117 | 45 (22%) | 2012 | 601,307 | 55.6 | 50 (17) | 5.7 | 5.7 | 26.4 |
| Participants without diagnosed diabetes | |||||||||
| Central and eastern Europe | 8 | 4 (20%) | 2012 | 12,086 | 52.2 | 49 (14) | 5.4 | 5.4 | 27.4 |
| Central Asia, Middle East and north Africa | 10 | 5 (18%) | 2015 | 46,886 | 55.1 | 46 (14) | 5.3 | 5.6 | 27.5 |
| High-income western | 48 | 11 (41%) | 2010 | 100,140 | 53.9 | 52 (16) | 5.4 | 5.3 | 27.4 |
| Latin America and the Caribbean | 17 | 11 (31%) | 2016 | 38,524 | 60.8 | 48 (17) | 5.3 | 5.4 | 28.0 |
| South Asia | 8 | 2 (29%) | 2012 | 28,554 | 52.7 | 41 (14) | 5.6 | 5.7 | 24.0 |
| East and southeast Asia and the Pacific | 19 | 7 (41%) | 2012 | 92,900 | 56.6 | 51 (16) | 5.4 | 5.6 | 23.9 |
| Sub-Saharan Africa | 7 | 5 (10%) | 2014 | 8,464 | 62.2 | 48 (14) | 5.6 | 5.8 | 26.2 |
| All studies | 117 | 45 (22%) | 2012 | 327,554 | 55.7 | 49 (16) | 5.4 | 5.5 | 26.2 |
| Participants without diagnosed diabetes who had FPG ≥ 7.0 mmol l−1 and/or HbA1c ≥ 6.5% | |||||||||
| Central and eastern Europe | 8 | 4 (20%) | 2012 | 551 | 41.7 | 58 (11) | 8.0 | 6.4 | 31.3 |
| Central Asia, Middle East and north Africa | 10 | 5 (18%) | 2015 | 3,328 | 52.0 | 55 (13) | 7.7 | 7.3 | 30.2 |
| High-income western | 44 | 11 (41%) | 2009 | 4,422 | 43.1 | 62 (13) | 7.9 | 6.7 | 31.0 |
| Latin America and the Caribbean | 17 | 11 (31%) | 2016 | 2,718 | 63.0 | 55 (15) | 8.4 | 7.3 | 30.4 |
| South Asia | 8 | 2 (29%) | 2012 | 4,612 | 51.7 | 47 (13) | 8.0 | 7.4 | 26.0 |
| East and southeast Asia and the Pacific | 19 | 7 (41%) | 2012 | 6,157 | 52.0 | 58 (13) | 8.1 | 7.0 | 26.1 |
| Sub-Saharan Africa | 7 | 5 (10%) | 2014 | 1,257 | 60.5 | 55 (11) | 7.5 | 7.2 | 28.7 |
| All studies | 113 | 45 (22%) | 2013 | 23,045 | 51.7 | 56 (14) | 8.0 | 7.1 | 28.4 |