Table 2.
Clinical and biochemical variables for different modalities to assess risk of liver fibrosis in patients undergoing bariatric surgery
| Parameter | Mean for AST/ALT > 1 | Mean for NAFLD > 0.676 | Mean for abnormal NALFD but normal FIB-4 | Mean for FIB-4 > 1.45 | Mean for abnormal FIB4 but normal NAFLD |
|---|---|---|---|---|---|
| Number of patients | 68 | 67 | 44 | 25 | 2 |
| AST (U/L) | 24.4 | 28.6 | 24.8 | 38.8 | 71.5 |
| ALT (U/L) | 19.3 | 31.7 | 30.3 | 39.2 | 94 |
| AST/ALT ratio | 1.3 | 0.99 | 0.93 | 1.08 | 0.73 |
| Age (years) | 49.3 | 54.7 | 51.2 | 60 | 42 |
| BMI (kg/m2) | 49.3 | 53.4 | 55.4 | 48.8 | 41.8 |
| Albumin (g/dL) | 37.2 | 36.4 | 36.1 | 37.0 | 38.5 |
| Platelet (×109/L) | 277.7 | 238.2 | 263.1 | 188.4 | 162 |
| FIB-4 score | 1.09 | 1.31 | 0.9 | 2.06 | 1.69 |
| NAFLD score | 0.44 | 1.67 | 1.4 | 2.0 | − 0.12 |