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Table 1 Basic characteristics of all the subjects

From: Serum retinol binding protein 4 is negatively related to beta cell function in Chinese women with non-alcoholic fatty liver disease: a cross-sectional study

  Total (n = 106) Men (n = 61) Women (n = 45) P value
Age (y) 47.39 ± 13.88 44.70 ± 15.21 50.98 ± 11.04 0.016
BMI (kg/m2) 26.69 ± 3.48 26.90 ± 3.45 26.39 ± 3.54 0.459
Waist (cm) 91.88 ± 10.04 94.26 ± 9.59 88.64 ± 9.82 0.004
WHR 0.92 ± 0.07 0.95 ± 0.06 0.89 ± 0.07 <0.001
Systolic blood pressure (mmHg) 129.05 ± 19.57 130.67 ± 16.57 126.84 ± 23.04 0.322
Diastolic blood pressure (mmHg) 81.45 ± 11.25 82.93 ± 10.50 79.44 ± 12.02 0.115
Total cholesterol (mmol/L) 4.97 ± 0.83 4.93 ± 0.77 5.03 ± 0.92 0.532
Triglycerides (mmol/L)lg 2.15 ± 1.22 2.54 ± 1.37 1.63 ± 0.74 <0.001
HDL-c (mmol/L)lg 1.16 ± 0.26 1.06 ± 0.18 1.30 ± 0.27 <0.001
LDL-c (mmol/L) 2.89 ± 0.69 2.81 ± 0.62 2.98 ± 0.76 0.217
Fasting blood glucose (mmol/L)lg 5.33 ± 0.76 5.31 ± 0.80 5.35 ± 0.72 0.832
2 h blood glucose (mmol/L)lg 7.30 ± 2.52 7.08 ± 2.51 7.62 ± 2.53 0.289
Fasting insulin (mU/L)lg 10.85 ± 6.95 10.29 ± 7.01 11.61 ± 6.89 0.354
2 h insulin (mU/L)lg 80.51 ± 61.67 77.54 ± 66.68 84.74 ± 54.30 0.574
HOMA-IRlg 2.62 ± 1.76 2.46 ± 1.81 2.84 ± 1.70 0.289
HOMA-βlg 138.36 ± 110.55 136.84 ± 122.41 140.42 ± 93.48 0.874
ALT (U/L)lg 47.23 ± 43.10 56.64 ± 47.86 34.82 ± 32.42 0.011
AST (U/L)lg 33.12 ± 20.13 34.51 ± 19.96 31.24 ± 20.45 0.427
ALP (U/L) 73.06 ± 20.76 74.87 ± 21.86 70.68 ± 19.22 0.333
γ-GT (U/L)lg 49.79 ± 48.67 60.62 ± 58.24 35.54 ± 26.57 0.006
Serum RBP4 (μg/ml) 51.65 ± 11.85 55.96 ± 11.14 45.87 ± 10.31 <0.001
Hepatic fat content (%)lg 7.90 ± 6.89 9.10 ± 6.85 6.26 ± 6.66 0.035
  1. Data are means ± S.D. BMI: body-mass index, WHR: waist-to-hip ratio, HDL-c: high-density lipoprotein cholesterol, LDL-c: low-density lipoprotein cholesterol, HOMA-IR: homeostatic model assessment of insulin resistance, HOMA-β:homeostatic model assessment of β cell function, ALT: alanine aminotransferase, AST: aspartate aminotransferase, γ-GT: γ-glutamyltransferase, RBP4: retinol binding protein 4.
  2. lg: logarithmic transformation with 10 as its base of skewed variables.