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Table 1 The baseline characteristics of participants

From: Elevated gamma-glutamyl transferase has a non-linear association with incident non-alcoholic fatty liver disease in the non-obese Chinese population: a secondary retrospective study

GGT (U/L)

Q1 (<16)

Q2 (16 to<21)

Q3 (21 to<31)

Q4 (≥31)

P-value

Participants

2401

3077

3448

2980

 

Age, years

42.63 ± 14.96

43.06 ± 15.01

43.39 ± 15.12

43.81 ± 14.63

0.028

Gender -n (%)

< 0.001

 Female

1231 (51.27%)

1416 (46.02%)

1524 (44.20%)

1224 (41.07%)

 

 Male

1170 (48.73%)

1661 (53.98%)

1924 (55.80%)

1756 (58.93%)

 

BMI (kg/m2)

20.76 ± 1.93

21.17 ± 2.01

21.84 ± 2.01

22.42 ± 1.81

< 0.001

SBP (mmHg)

115.36 ± 15.70

119.93 ± 16.52

124.32 ± 16.26

127.66 ± 16.55

< 0.001

DBP (mmHg)

69.48 ± 9.39

72.20 ± 9.75

74.92 ± 10.14

77.11 ± 10.38

< 0.001

TC (mmol/L)

4.42 ± 0.70

4.54 ± 0.72

4.62 ± 0.72

4.79 ± 0.77

< 0.001

TG (mmol/L)

0.89 (0.70–1.14)

1.01 (0.79–1.33)

1.22 (0.92–1.65)

1.52 (1.11–2.16)

< 0.001

HDL-c (mmol/L)

1.55 ± 0.35

1.49 ± 0.35

1.41 ± 0.35

1.36 ± 0.35

< 0.001

LDL-c (mmol/L)

2.13 ± 0.45

2.24 ± 0.47

2.32 ± 0.47

2.36 ± 0.46

< 0.001

ALT (U/L)

12.00 (10.00–16.00)

14.00 (11.00–18.00)

17.00 (14.00–23.00)

23.00 (17.00–32.00)

< 0.001

AST (U/L)

19.00 (17.00–22.00)

20.00 (18.00–23.00)

21.50 (19.00–25.00)

24.00 (21.00–29.00)

< 0.001

ALP (mmol/L)

62.52 ± 17.67

68.98 ± 19.42

74.28 ± 21.08

79.31 ± 25.74

< 0.001

ALB (U/L)

44.15 ± 2.75

44.49 ± 2.73

44.70 ± 2.78

44.71 ± 2.79

< 0.001

GLB (g/L)

29.01 ± 3.99

29.35 ± 3.97

29.39 ± 3.82

29.45 ± 4.07

< 0.001

TB (umol/L)

10.90 (8.30–14.10)

11.02 (8.40–14.30)

11.70 (8.91–14.90)

11.80 (9.20–15.20)

< 0.001

DBIL (umol/L)

2.00 (1.40–2.75)

2.02 (1.44–2.78)

2.10 (1.50–2.80)

2.08 (1.44–2.83)

0.211

BUN (mmol/L)

4.34 ± 1.39

4.51 ± 1.33

4.67 ± 1.33

4.77 ± 1.55

< 0.001

Cr (umol/L)

74.30 ± 18.51

80.15 ± 19.96

86.74 ± 20.85

90.12 ± 34.70

< 0.001

UA (umol//L)

240.63 ± 78.66

273.12 ± 83.65

303.91 ± 79.35

339.09 ± 84.52

< 0.001

FBG (mmol/L)

5.02 ± 0.54

5.13 ± 0.68

5.24 ± 0.83

5.39 ± 1.06

< 0.001

  1. ALB albumin, ALP alkaline phosphatase, ALT alanine aminotransferase, AST aspartate aminotransferase, BMI body mass index, BUN blood urea nitrogen, Cr creatinine, DBIL Direct Bilirubin, DBP diastolic blood pressure, FPG fasting plasma glucose, GGT γ-glutamyl transpeptidase, GLB globulin, HDL-c high-density lipoprotein cholesterol, LDL-c low-density lipoprotein cholesterol, SBP systolic blood pressure, TB total bilirubin, TC total cholesterol, TG triglyceride, UA uric acid