Table 1. Characteristics of study participants with or without NAFLD.
| Variables | With NAFLD | Without NAFLD | t value | P value |
|---|---|---|---|---|
| n (male/female) | 2070 (1623/447) | 5470 (3446/2024) | 161.810a | <0.001 |
| Age (year) | 51.0 (14.2) | 48.4 (15.6) | 6.376 | <0.001 |
| Body mass index (kg/m2) | 25.67 (2.70) | 22.46 (2.43) | 49.770 | <0.001 |
| Waist circumference (cm) | 88.7 (8.1) | 80.5 (8.0) | 39.422 | <0.001 |
| Systolic blood pressure (mmHg) | 129.7 (14.9) | 122.3 (16.0) | 18.269 | <0.001 |
| Diastolic blood pressure (mmHg) | 80.0 (9.6) | 75.1 (9.5) | 19.768 | <0.001 |
| Alanine aminotransferase (U/L) | 26.0 (19.0–41.0) | 16.0 (12.0–22.0) | 34.604b | <0.001 |
| Aspartate aminotransferase (U/L) | 24.0 (20.0–30.0) | 20.0 (17.0–24.0) | 21.571b | <0.001 |
| γ-Glutamyltransferase (U/L) | 32.0 (23.0–49.0) | 19.0 (15.0–27.0) | 34.085b | <0.001 |
| Triglyceride (mmol/L) | 1.60 (1.18–2.22) | 0.97 (0.71–1.34) | 36.384b | <0.001 |
| Total bilirubin (μmol/L) | 14.8 (6.2) | 14.6 (6.6) | 1.729 | 0.084 |
| Albumin (g/L) | 47.1 (2.6) | 46.6 (2.7) | 6.699 | <0.001 |
| Total cholesterol (mmol/L) | 5.03 (4.44–5.71) | 4.75 (4.15–5.40) | 11.976b | <0.001 |
| HDL cholesterol (mmol/L) | 1.42 (1.25–1.61) | 1.62 (1.43–1.88) | 25.196b | <0.001 |
| LDL cholesterol (mmol/L) | 2.81 (0.76) | 2.60 (0.77) | 10.312 | <0.001 |
| Fasting plasma glucose (mmol/L) | 5.10 (4.73–5.60) | 4.90 (4.60–5.27) | 13.943b | <0.001 |
| Serum uric acid (μmol/L) | 376.5 (80.5) | 317.9 (77.0) | 29.126 | <0.001 |
| White blood cell (×109/L) | 6.4 (5.5–7.5) | 5.7 (4.9–6.7) | 19.846b | <0.001 |
| Platelet count (×109/L) | 215.0 (184.0–250.0) | 209.0 (178.0–242.0) | 5.085b | <0.001 |
| Serum complement C3 (g/L) | 1.26 (1.17–1.37) | 1.13 (1.04–1.23) | 31.888b | <0.001 |
Data are expressed as mean (SD) or median (IQR).
aχ2 value;
bZ value; HDL, high-density lipoprotein; LDL, low-density lipoprotein.