Table 1.
Clinical characteristics of the study population according to NAFLD categories.
| Variables | Controls (n = 5631) | NAFLD (n = 654) | t value | P value |
|---|---|---|---|---|
| Gender (male/female) | 2080/3551 | 380/274 | 110.195a | <0.001 |
| Age (year) | 44.53 (12.73) | 50.73 (10.97) | 11.964 | <0.001 |
| Body mass index (kg/m2) | 21.19 (1.80) | 22.71 (1.05) | 21.163 | <0.001 |
| Waist circumference (cm) | 76.18 (6.79) | 82.93 (5.77) | 22.991 | <0.001 |
| Systolic blood pressure (mmHg) | 117.17 (16.75) | 127.56 (16.76) | 15.021 | <0.001 |
| Diastolic blood pressure (mmHg) | 71.06 (10.78) | 78.13 (10.52) | 15.916 | <0.001 |
| γ-Glutamyl transpeptidase (U/L) | 14.00 (11.00–21.00 | 26.00 (17.00–39.00) | 20.927b | <0.001 |
| Triglyceride (mg/dl) | 85.00 (62.87–117.76) | 148.76 (106.25–203.21) | 24.390b | <0.001 |
| Total cholesterol (mg/dl) | 174.04 (32.88) | 184.07 (36.24) | 7.301 | <0.001 |
| HDL-cholesterol (mg/dl) | 52.99 (13.10) | 43.41 (10.36) | 18.045 | <0.001 |
| Fasting blood glucose (mg/dl) | 87.22 (12.95) | 97.03 (23.42) | 16.494 | <0.001 |
| Serum uric acid (mg/dl) | 4.93 (1.21) | 5.80 (1.34) | 17.088 | <0.001 |
| UHR (%) | 10.08 (4.22) | 14.25 (5.33) | 23.226 | <0.001 |
Data are expressed as mean (standard deviation) or median (interquartile range). aχ2 value; bZ value; HDL, high-density lipoprotein; NAFLD, nonalcoholic fatty liver disease; UHR, uric acid to HDL-cholesterol ratio.