Table 1

Characteristics of participants according to glucose status and gender

 NGTPre-diabetesDiabetes
TotalMenWomenTotalMenWomenTotalMenWomenP1P2P3
Number267991682409015022275147NSNSNS
Age (years)51.0 (41.0– 57.0)51.0 (41.5– 57.5)51.0 (40.0– 57.0)56.0 (45.0–61.0)56.0 (44.0– 59.0)56.0 (47.0– 62.0)56.0 (46.0– 60.0)58.0 (46.0–61.5)56.0 (46.0– 59.5)<0.001<0.001NS
SBP (mm Hg)114.0 (113.0– 116.0)114.0 (102.0– 127.0)110.0 (102.0– 120.5)121.0 (119.0– 123.0)116.0 (110.0– 131.0)121.0* (114.0– 132.0)121.0 (119.0– 123.0)119.0 (113.0– 129.5)120.0 (110.0– 130.5)<0.001<0.001NS
DBP (mm Hg)74.0 (73.0– 75.0)72.0 (68.0– 79.0)74.0 (69.0– 80.0)77.0 (76.0– 78.0)78.0 (72.0– 83.0)78.0 (74.0– 82.0)80.0 (78.0– 81.0)79.0 (73.5– 82.0)79.0 (75.5– 85.5)<0.001<0.0010.005
BMI23.03 (22.60– 23.46)23.11 (21.32– 25.15)23.06 (19.78– 24.92)23.92 (23.47– 24.37)24.12 (21.21– 27.46)23.64 (21.79– 26.33)25.09 (24.61– 25.55)27.67 (24.23– 29.45)23.37** (21.94– 26.38)0.005<0.001<0.001
WHR0.86 (0.85– 0.87)0.88 (0.82– 0.91)0.85* (0.81– 0.90)0.89 (0.88– 0.89)0.89 (0.84–0.93)0.89 (0.86– 0.92)0.90 (0.90– 0.91)0.91 (0.89– 0.94)0.90* (0.87– 0.93)<0.001<0.0010.001
FPG (mmol/L)4.98 (4.87– 5.09)4.98 (4.65– 5.25)5.01 (4.75– 5.35)5.57 (5.46– 5.69)5.44 (4.92– 5.97)5.60 (5.04– 6.11)7.31 (7.19– 7.43)7.33 (7.16– 8.06)7.15** (5.73– 7.87)<0.001<0.001<0.001
2hPG (mmol/L)6.01 (5.77– 6.26)5.88 (5.30– 6.55)6.05 (5.19– 6.83)9.29 (9.03– 9.54)9.19 (8.51– 9.85)9.36 (8.58– 10.19)13.95 (13.68– 14.21)12.99 (12.23– 14.76)13.07 (11.92– 14.73)<0.001<0.001<0.001
FINS (μIU/L)13.73 (12.85– 14.61)12.27 (9.51– 16.90)11.98 (8.76– 20.11)14.70 (13.78– 15.61)11.75 (10.59– 17.71)12.06 (10.74– 18.71)15.38 (14.42– 16.33)14.77 (10.80– 20.03)14.19 (9.82– 18.29)NS0.014NS
2hINS (μIU/L)64.18 (57.49– 70.87)42.98 (24.02– 87.40)55.13 (35.57– 71.38)80.05 (73.08– 87.02)75.27 (41.60– 119.56)71.97 (48.35– 103.81)71.23 (63.97– 78.49)65.53 (24.57– 90.22)63.75* (34.21– 110.37)0.001NSNS
HbA1c(%)5.5 (5.4– 5.6)5.5 (5.2– 5.7)5.6 (5.3– 5.8)5.8 (5.7– 5.9)5.8 (5.5– 6.0)5.9* (5.6– 6.1)6.9 (6.8– 7.0)6.9 (6.6– 7.3)6.7 (6.0– 7.4)<0.001<0.001<0.001
HOMA-IR3.07 (2.81– 3.33)2.63 (2.01– 3.86)2.67 (1.95– 4.60)3.72 (3.46– 3.99)2.93 (2.27– 4.18)3.28 (2.58– 4.58)5.04 (4.76– 5.32)4.82 (3.46– 7.29)4.18 (3.15– 5.85)0.001<0.001<0.001
HOMA-β218.63 (203.73– 233.53)185.08 (136.51– 246.24)161.87 (124.18– 257.26)154.67 (139.14– 170.19)123.17 (94.47– 185.50)122.29 (87.07– 186.75)93.41 (77.24– 109.58)77.45 (58.17– 88.08)74.54 (55.07– 112.40)<0.001<0.001<0.001
TG (mmol/L)1.50 (1.36– 1.65)1.23 (0.77– 1.70)1.15 (0.77– 1.77)1.77 (1.62– 1.92)1.50 (1.06– 1.99)1.68 (1.09– 2.24)2.72 (2.56– 2.88)2.55 (1.73– 4.14)2.44 (1.69– 3.50)0.012<0.001<0.001
TC (mmol/L)5.02 (4.92– 5.12)4.94 (4.67– 5.20)5.02* (4.67– 5.40)5.13 (5.03– 5.23)5.15 (4.31– 5.78)5.27 (4.66– 5.55)5.64 (5.53– 5.75)5.47 (5.13– 6.18)5.90 (4.93– 6.29)NS<0.001<0.001
HDL-C (mmol/L)1.48 (1.44– 1.51)1.43 (1.19– 1.69)1.45 (1.24– 1.68)1.34 (1.31– 1.38)1.30 (1.14– 1.48)1.29 (1.15– 1.46)1.23 (1.19– 1.27)1.12 (1.09– 1.28)1.28* (1.07– 1.38)<0.001<0.001<0.001
LDL-C (mmol/L)3.03 (2.95– 3.12)2.84 (2.58– 3.29)3.12 (2.58– 3.45)3.05 (2.96– 3.14)2.83 (2.60– 3.78)3.08 (2.76– 3.54)3.37 (3.28– 3.47)3.50 (2.88– 3.69)3.36 (3.02– 4.18)NS<0.001<0.001
ApoA-I (g/L)1.48 (1.45– 1.51)1.43 (1.31– 1.68)1.45 (1.28– 1.63)1.39 (1.36– 1.43)1.40 (1.26– 1.56)1.34 (1.25– 1.52)1.33 (1.29– 1.36)1.36 (1.22– 1.38)1.31 (1.17– 1.42)<0.001<0.0010.005
ApoB (g/L)0.84 (0.81– 0.86)0.80 (0.68– 0.97)0.84 (0.68– 0.97)0.91 (0.88– 0.93)0.90 (0.70– 0.98)0.97** (0.84– 1.03)0.97 (0.94– 1.00)0.97 (0.80– 1.03)1.05** (0.87– 1.17)<0.001<0.0010.001
ApoB/ApoA-I ratio0.60 (0.57– 0.62)0.55 (0.42– 0.72)0.56 (0.44– 0.72)0.67 (0.64– 0.70)0.66 (0.48– 0.77)0.74** (0.56– 0.81)0.76 (0.73– 0.78)0.71 (0.60– 0.82)0.78** (0.68– 0.94)<0.001<0.001<0.001
  • Data are expressed as median (IQR 25–75%).

  • P1: NGT versus pre-diabetic group, P2: NGT versus diabetic group, P3: pre-diabetic versus diabetic group.

  • *p<0.05, **p<0.01 means the gender difference in each group.

  • Comparisons among NGT, pre-diabetic and diabetic groups were performed after adjusting for age.

  • 2hINS, 2 hour postload serum insulin; 2hPG, 2 hour postload plasma glucose; ApoA-I, apolipoprotein A-I; ApoB, apolipoprotein B; BMI, body mass index; DBP, diastolic blood pressure; FINS, fasting serum insulin; FPG, fasting plasma glucose; HbA1c, glycated haemoglobin A1c; HDL-C, high-density lipoprotein cholesterol; HOMA-IR, homeostatic model assessment of insulin resistance; HOMA-β, homeostatic model assessment of β-cell function; LDL-C, low-density lipoprotein cholesterol; NGT, normal glucose tolerance; NS, not significant; SBP, systolic blood pressure; TC, total cholesterol; TG, triglyceride; WHR, waist to hip ratio.