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Table 1 Demographic and clinic characteristics of the study population

From: The association of serum total bile acid with non-alcoholic fatty liver disease in Chinese adults: a cross sectional study

 

Total (n = 152,336)

With NAFLD (n = 41,771)

Without NAFLD (n = 110,565)

p

Clinical characteristics

 Age, years

45 (13)

48 (12)

44 (14)

<.001

 Male percentage, % (n)

54.2% (82,533)

75.4% (31,510)

46.1% (51,023)

<.001

 BMI, kg/m2

24.0 (3.3)

27.1 (2.8)

22.9 (2.8)

<.001

 Systolic pressure, mm Hg

120 (17)

128 (16)

117 (17)

<.001

 Diastolic pressure, mm Hg

76 (11)

81 (11)

74 (10)

<.001

 Hypertension, % (n)

19.5% (29,767)

33.8% (14,129)

14.1% (15,638)

<.001

 T2D, % (n)

3.7% (5623)

6.9% (2870)

2.5% (2753)

<.001

 CAD, % (n)

1.3% (1920)

1.8% (733)

1.1% (1187)

<.001

Biochemical parameters

 TBA, μmol/L

2.0 (3.1–5.0)

3.4 (2.3–5.4)

3.0 (1.9–4.8)

<.001

 AST, U/L

23 (17)

26 (14)

21 (17)

<.001

 ALT, U/L

26 (26)

37 (28)

22 (24)

<.001

 BUN, mmol/L

5.0 (1.4)

5.2 (1.4)

5.0 (1.5)

<.001

 Cr, μmol/L

67.3 (22.6)

71.9 (19.0)

65.6 (23.6)

<.001

 UA, μmol/L

312.3 (83.1)

359.3 (81.2)

294.6 (75.8)

<.001

 FBG, mmol/L

5.04 (1.29)

5.48 (1.76)

4.90 (1.01)

<.001

 OGTT-2 h BG †, mmol/L

7.10 (3.07)

7.74 (3.45)

6.74 (2.77)

<.001

 TC, mmol/L

4.66 (0.93)

4.92 (1.00)

4.56 (0.88)

<.001

 HDLC, mmol/L

1.31 (0.30)

1.16 (0.24)

1.37 (0.30)

<.001

 LDLC, mmol/L

2.67 (0.77)

2.81 (0.83)

2.62 (0.74)

<.001

 RLP-C, mmol/L

0.68 (0.61)

0.95 (0.88)

0.57 (0.43)

<.001

 TG, mmol/L

1.24 (0.86–1.86)

1.87 (1.33–2.74)

1.07 (0.78–1.53)

<.001

  1. Data are shown as mean (standard deviation), median (Q1–Q3 quartiles), or percentages (n). P values from analysis of the independent t test, Mann-Whitney U test, or chi-square test. Two-tailed p < 0.05 was considered statistically significant. BMI body mass index, NALFD non-alcoholic fatty liver disease, T2D type 2 diabetes, CAD coronary artery disease, TBA total bile acid, FBG fasting blood glucose, AST aspartate aminotransferase, ALT alanine aminotransferase, BUN blood urea nitrogen, Cr creatinine, UA uric acid, TC total cholesterol, LDL-C LDL cholesterol, HDL-C HDL cholesterol, RLP-C remnant lipoprotein cholesterol, TG triglyceride. OGTT-2 h BG oral glucose tolerance test 2 h-post blood glucose. † 7870 individuals had the OGTT-2 h data