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Table 1 Characteristics of study subjects according to presence of NAFLD

From: Independent association of HbA1c and nonalcoholic fatty liver disease in an elderly Chinese population

Variables NAFLD present (n = 257) NAFLD absent (n = 692) t value P value
Age (year) 71.22 (4.34) 71.55 (4.53) 1.003 0.316
Gender (male/female, n) 161/96 442/250 0.122a 0.762
Body mass index (kg/m2) 26.79 (2.86) 23.48 (2.67) 16.612 < 0.001
Waist circumference (cm) 91.2 (8.5) 83.6 (8.1) 12.773 < 0.001
Systolic blood pressure (mmHg) 141.7 (16.9) 136.6 (18.2) 3.878 < 0.001
Diastolic blood pressure (mmHg) 81.9 (9.9) 79.1 (10.3) 3.816 < 0.001
γ-Glutamyltransferase (U/L) 27.0 (20.0 – 41.0) 20.0 (15.0 – 28.0) 8.484 b < 0.001
Triglyceride (mmol/L) 1.60 (1.25 – 2.06) 1.13 (0.85 – 1.52) 10.337b < 0.001
Total cholesterol (mmol/L) 5.12 (0.98) 5.14 (0.94) 0.343 0.732
HDL cholesterol (mmol/L) 1.32 (0.26) 1.49 (0.32) 7.532 < 0.001
LDL cholesterol (mmol/L) 2.93 (0.85) 3.01 (0.78) 1.392 0.164
Fasting plasma glucose (mmol/L) 5.19 (4.75 – 5.66) 4.92 (4.63 – 5.31) 5.225b < 0.001
Serum uric acid (μmol/L) 363.9 (87.2) 327.0 (83.5) 5.976 < 0.001
Serum HbA1c (%) 5.80 (5.50 – 6.10) 5.60 (5.40 – 5.90) 5.733b < 0.001
  1. Data are expressed as mean (SD) or median (IQR). a χ 2 value; b Z value; HDL, high-density lipoprotein; LDL, low-density lipoprotein.