Group

Ia

IIb

IIIc

F or x2

P-value

Cases (Male/Female)

135 (47/88)

135 (52/83)

135 (51/84)

0.444

>0.05

Age (years)

47.43 ± 5.82

49.12 ± 5.79

52.54 ± 5.64

9.56

<0.05

BMI (Kg/m2)

24.3 ± 3.0

24.6 ± 2.6

24.9 ± 2.6

1.28

>0.05

WC (cm)

81.58 ± 9.23

83.19 ± 8.32

84.41 ± 8.98

3.388

<0.05

HC (cm)

91.30 ± 6.22

91.56 ± 5.77

92.63 ± 5.92

1.859

>0.05

Fat (%)

31.78 ± 6.77

32.00 ± 6.51

32.26 ± 6.62

0.489

>0.05

Smoking (Y/N)

22/113

30/105

36/99

4.287

>0.05

Drinking (Y/N)

23/112

19/116

22/113

0.481

>0.05

ALT (U/L)

27.99 ± 1.61

24.94 ± 1.56

25.38 ± 1.64

1.056

>0.05

AST (U/L)

23.99 ± 3.78

22.05 ± 3.71

23.58 ± 3.53

2.522

>0.05

UA (umol/l)

264.18 ± 42.13

272.27 ± 35.95

275.25 ± 41.29

0.347

>0.05

Cr (umol/l)

59.22 ± 12.58

60.01 ± 14.10

60.46 ± 12.90

0.688

>0.05

BUN (mmol/l)

4.58 ± 1.13

4.54 ± 1.26

4.77 ± 1.08

0.330

>0.05

SBP (mmHg)

122.39 ± 15.98

124.51 ± 18.28

128.15 ± 17.13

3.813

<0.05

DBP (mmHg)

79.50 ± 9.49

80.76 ± 11.63

82.17 ± 10.88

2.06

>0.05

CHO (mmol/l)

5.09 ± 1.06

5.15 ± 1.04

5.23 ± 1.02

9.56

<0.05

TG (mmol/l)

1.65 ± 0.14

1.55 ± 0.19

1.56 ± 0.18

1.453

>0.05

HDL (mmol/l)

1.28 ± 0.23

1.29 ± 0.24

1.28 ± 0.24

1.003

>0.05

LDL (mmol/l)

2.94 ± 0.72

2.95 ± 0.77

3.06 ± 0.71

1.114

>0.05

FPG (mmol/l)

5.53 ± 1.37

5.62 ± 1.29

5.88 ± 1.25

6.062

<0.05

2h-PG (mmol/l)

7.64 ± 1.66

7.65 ± 1.60

8.71 ± 2.18

3.399

<0.05

HbA 1c (%)

5.60 ± 0.89

5.72 ± 0.96

5.88 ± 0.99

3.215

<0.05