Skip to main content
. 2020 Jan 20;10(1):e033332. doi: 10.1136/bmjopen-2019-033332

Table 2.

Clinical and sociodemographic characteristics by glycaemic status of the individuals with pre-diabetes

Impaired HbA1c 5.7% to <6.5% Impaired FPG
100 to <126 mg/dL
HbA1c 5.7% to <6.5% and FPG 100 to <126 mg/dL P overall P HbA1c vs FPG P HbA1c vs both P FPG vs both
N 133 42 54
Sex, women 84 (63.2%) 19 (45.2%) 32 (59.3%) 0.12 0.181 0.74 0.369
Age, years 53.4 (12.4) 50.6 (11.8) 60.6 (10.5) < 0.001 0.388 0.001 < 0.001
BMI, kg/m2 25.8 (24.5 to 28.9) 27.8 (24.5 to 30.6) 27.5 (25.6 to 30.5) 0.056 0.534 0.036 0.534
BMI categories 0.018 0.107 0.05 0.032
 Normal weight 43 (33.1%) 16 (41.0%) 8 (15.1%)
 Overweight 64 (49.2%) 12 (30.8%) 30 (56.6%)
 Obesity 23 (17.7%) 11 (28.2%) 15 (28.3%)
Waist, cm 95.0 (88.0 to 102) 98.0 (90.0 to 106) 101 (95.0 to 107) 0.008 0.232 0.006 0.333
SBP, mm Hg 124 (16.1) 129 (15.5) 128 (18.4) 0.169 0.296 0.29 0.991
DBP, mm Hg 78.0 (9.44) 79.5 (12.0) 77.9 (9.39) 0.674 0.675 0.999 0.723
Hypertension 21 (15.8%) 9 (21.4%) 19 (35.2%) 0.014 0.542 0.019 0.32
Dyslipidaemia 25 (18.8%) 4 (9.52%) 10 (18.5%) 0.358 0.515 1 0.515
Family history DM 43 (34.1%) 18 (48.6%) 17 (35.4%) 0.265 0.471 1 0.471
Education, high level 91 (69.5%) 23 (59.0%) 31 (58.5%) 0.252 0.455 0.455 1
Physical activity 88 (67.2%) 21 (53.8%) 32 (60.4%) 0.281 0.547 0.68 0.68
Current smoker 38 (28.6%) 14 (33.3%) 11 (20.4%) 0.338 0.693 0.496 0.496
Alcohol, g/day 2.92 (0.00 to 15.2) 7.42 (0.90 to 16.3) 1.53 (0.00 to 17.9) 0.369 0.336 0.735 0.336
FPG, mg/dL 89.2 (6.89) 106 (4.97) 109 (5.96) < 0.001 < 0.001 < 0.001 0.14
HbA1c, % 5.80 (5.70 to 6.00) 5.40 (5.40 to 5.57) 5.95 (5.80 to 6.10) < 0.001 < 0.001 < 0.001 < 0.001
HbA1c, mmol/mol 39.9 (38.8 to 42.1) 35.5 (34.7 to 37.4) 41.5 (39.9 to 43.2) < 0.001 < 0.001 < 0.001 < 0.001
eGFR, mL/min/1.73 m2 93.6 (79.6 to 103) 93.2 (79.7 to 107) 89.3 (73.1 to 97.2) 0.076 0.556 0.073 0.073
Triglycerides, mg/dL 88.0 (72.0 to 134) 86.5 (67.0 to 130) 106 (74.5 to 132) 0.332 0.729 0.304 0.304
Total cholesterol, mg/dL 205 (34.5) 209 (28.6) 203 (29.8) 0.689 0.767 0.947 0.677
HDL-cholesterol, mg/dL 58.0 (51.0 to 69.0) 52.0 (45.0 to 65.8) 57.0 (51.0 to 66.0) 0.128 0.141 0.755 0.18
LDL-cholesterol, mg/dL 125 (32.2) 133 (25.5) 120 (23.5) 0.114 0.278 0.593 0.096
Insulin, µU/mL 8.00 (6.10 to 10.0) 9.90 (6.90 to 15.9) 10.9 (7.90 to 15.6) < 0.001 0.01 < 0.001 0.577
Fatty Liver Index 34.4 (16.9 to 59.2) 42.2 (17.7 to 73.6) 53.8 (32.2 to 73.0) 0.016 0.373 0.011 0.378
HOMA2-β 96.6 (81.5 to 122) 81.7 (64.5 to 118) 82.8 (63.0 to 108) 0.001 0.034 0.002 0.693
HOMA2-S 98.0 (77.2 to 127) 75.0 (47.2 to 107) 67.5 (47.5 to 91.3) < 0.001 0.003 < 0.001 0.564
HOMA2-IR 1.00 (0.80 to 1.30) 1.30 (0.90 to 2.15) 1.50 (1.10 to 2.10) < 0.001 0.005 < 0.001 0.545

Significant values are shown in bold. Mean (SD), median (IQR) and n (%).

BMI, body mass index; DBP, diastolic blood pressure; DM, diabetes mellitus; eGFR, estimated glomerular filtration rate; FPG, fasting plasma glucose; HbA1c, glycated haemoglobin; HDL, high-density lipoprotein; HOMA2-β, homeostatic model assessment-2 beta cell function; HOMA2-IR, homeostatic model assessment-2 insulin resistance; HOMA2-S, homeostatic model assessment-2 insulin sensitivity; LDL, low-density lipoprotein; SBP, systolic blood pressure.