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Table 1 Baseline characteristics of the study participants, grouped according to NAFLD status

From: Impaired lung function is associated with non-alcoholic fatty liver disease independently of metabolic syndrome features in middle-aged and elderly Chinese

 

Without NAFLD

(n = 1164)

With NAFLD

(n = 678)

P value

ATPIII-defined metabolic syndrome n(%)

433(37.21)

526(77.64)

<0.001

Sex n (% men)

376(32.3)

213(31.4)

0.38

Age (years)b

55.38 ± 8.10

56.97 ± 7.55

<0.001

BMI (kg/m2)

23.32 ± 2.95

26.47 ± 6.33

<0.001

Currents smokers n (%)

275(23.63)

178(26.30)

<0.001

SBP (mmHg)

127.49 ± 20.64

133.10 ± 20.98

<0.001

DBP (mmHg)

78.99 ± 10.53

81.77 ± 10.34

<0.001

Waist circumference (cm)

81.18 ± 10.46

89.42 ± 8.70

<0.001

Hip circumference (cm)

94.12 ± 6.06

99.05 ± 6.95

<0.001

Waist-hip ratio

0.86 ± 0.14

0.90 ± 0.07

<0.001

Fasting plasma glucose (mmol/l)

6.02 ± 1.45

6.65 ± 1.93

<0.001

2 h PG (mmol/L)

7.87 ± 3.40

9.17 ± 4.22

<0.001

A1C(%)

5.82 ± 0.86

6.25 ± 1.14

<0.001

HOMA-IR

1.47 (1.13–1.92)

2.36 (1.63–3.27)

<0.001

Triglycerides (mmol/l)

1.38 ± 0.95

2.16 ± 1.54

<0.001

HDL-cholesterol (mmol/l)

1.29 ± 0.33

1.15 ± 0.28

<0.001

LDL-cholesterol (mmol/l)

2.55 ± 0.74

2.70 ± 0.80

<0.001

AST(units/l)

15.92 ± 8.67

22.29 ± 12.54

<0.001

ALT(units/l)

14.15 ± 10.03

21.19 ± 15.87

<0.001

GGT(units/l)

24.09 ± 28.30

38.61 ± 48.45

<0.001

  1. SBP systolic blood pressure, DBP diastolic blood pressure, BMI body mass index; 2hPG postprandial 2-h plasma glucose, HbA1C Glycated hemoglobin, LDL Low-density lipoprotein, HDL high--density lipoprotein, ALT Alanine aminotransferase, AST aspartate aminotransferase, GGT γ-glutamyltransferase
  2. aData are presented as mean ± SD, median (interquartile range), or number (percent); P value was calculated after adjustment for age, gender
  3. bNot adjusted for itself
  4. cThis variables was log transformed before analysis