Table 1.
Comparison of clinical characteristics between the subjects with and without fatty liver disease
| Without FLD1 | With FLD2 | t value | P value | |
| Age (yr) | 45.0 (39.0–53.0) | 48.0 (41.0–55.0) | 8.248 | < 0.001 |
| Gender (male/female, n) | 3748/3451 | 2132/469 | 712.0053 | < 0.0013 |
| Body mass index (kg/m2) | 22.92 (2.71) | 26.72 (2.72) | 61.262 | < 0.001 |
| Waist circumference (cm) | 80.4 (8.9) | 92.7 (7.7) | 58.903 | < 0.001 |
| Systolic blood pressure (mmHg) | 123.8 (17.0) | 134.9 (16.1) | 29.053 | < 0.001 |
| Diastolic blood pressure (mmHg) | 75.4 (10.9) | 83.3 (10.5) | 31.739 | < 0.001 |
| Alanine aminotransferase (U/L) | 17.0 (13.0–24.0) | 29.0 (21.0–43.0) | 42.1944 | < 0.0014 |
| Aspartate aminotransferase (U/L) | 20.0 (17.0–24.0) | 23.0 (19.0–29.0) | 25.3394 | < 0.0014 |
| Gamma-glutamyltransferase (U/L) | 19.0 (13.0–31.0) | 39.0 (25.0–64.0) | 39.8464 | < 0.0014 |
| Direct bilirubin (μmol/L) | 3.0 (2.0–4.0) | 3.0 (2.0-4.0) | 2.113 | 0.053 |
| Indirect bilirubin (μmol/L) | 9.0 (6.0–11.0) | 9.0 (7.0–12.0) | 4.7064 | < 0.0014 |
| Triglyceride (mmol/L) | 1.10 (0.80–1.58) | 1.92 (1.40–2.68) | 41.7974 | < 0.001 |
| Total cholesterol (mmol/L) | 4.75 (0.90) | 5.08 (0.96) | 15.839 | < 0.001 |
| HDL cholesterol (mmol/L) | 1.19 (0.29) | 1.02 (0.23) | 26.529 | < 0.001 |
| LDL cholesterol (mmol/L) | 2.54 (0.62) | 2.63 (0.66) | 6.19 | < 0.001 |
| Fasting blood glucose (mmol/L) | 4.72 (4.44–5.02) | 5.04 (4.67–5.56) | 26.2504 | < 0.0014 |
| Serum uric acid (μmol/L) | 317.7 (85.3) | 390.8 (83.3) | 37.671 | < 0.001 |
| Alpha-fetoprotein (μg/L) | 2.90 (2.20–3.90) | 3.10 (2.40–4.10) | 7.6534 | < 0.0014 |
1
n = 7199;
2
n = 2601;
3
χ2 value;
4
Z value. The data are expressed as the mean ± SD or median (interquartile range) depending on the data distribution. FLD: Fatty liver disease; HDL: High-density lipoprotein; LDL: Low-density lipoprotein.