Table 1.
Characteristics of the study population.
| NAFLD (+) | NAFLD (−) | p-Value | |
|---|---|---|---|
| N | 6856 | 10,721 | |
| Male | 4127 (60.2%) | 3542 (33.0%) | <0.001 |
| Age (years) | 51.1 ± 11.8 | 47.5 ± 13.2 | <0.001 |
| BMI (kg/m2) | 26.0 ± 3.6 | 22.4 ± 3.0 | <0.001 |
| Waist circumference (cm) | 87.5 ± 9.9 | 76.3 ± 9.2 | 0.007 |
| Fasting glucose (mg/dL) | 105.4 ± 23.5 | 94.9 ± 14.8 | <0.001 |
| AST (IU/L) | 31.1 ± 18.6 | 26.9 ± 16.5 | <0.001 |
| ALT (IU/L) | 34.5 ± 25.1 | 21.7 ± 16.2 | <0.001 |
| Alkaline phosphatase (IU/L) | 78.0 ± 22.6 | 70.0 ± 25.6 | 0.188 |
| GGT (IU/L) | 35.1 ± 33.2 | 21.4 ± 29.7 | <0.001 |
| Total cholesterol (mg/dL) | 207.9 ± 14.2 | 202.0 ± 36.5 | <0.001 |
| HDL-cholesterol (mg/dL) | 51.9 ± 11.5 | 61.1 ± 13.4 | <0.001 |
| LDL-cholesterol (mg/dL) | 134.5 ± 33.0 | 124.8 ± 29.3 | <0.001 |
| Triglycerides (mg/dL) | 152.8 ± 74.7 | 99.6 ± 49.7 | <0.001 |
| Current smoker (%) | 1172 (18.1%) | 994 (9.8%) | <0.001 |
| Current exercise (%) | 4373 (66.4%) | 3041 (70.7%) | <0.001 |
| Hypertension (%) | 1936 (28.2%) | 1543 (14.4%) | <0.001 |
| Type 2 mellitus (%) | 947 (13.8%) | 426 (4.0%) | <0.001 |
| Metabolic syndrome (%) | 1966 (28.7%) | 647 (6.0%) | <0.001 |
Values are presented as the mean ± SD or number (percentage). BMI, body mass index; AST, aspartate aminotransferase; ALT, alanine aminotransferase; GGT, γ-glutamyl transferase.