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Liver tests before and 2 wk to 1 mo after cholecystectomy in 82 patients without CBD stones (mean ± SD)
| Value (normal range) | Before | After |
| AST (5-35 IU/L) | 62.89 ± 96.85 | 30.95 ± 15.14 |
| ALT (5-30 IU/L) | 83.80 ± 109.50 | 35.95 ± 26.05 |
| ALK-P (40-120 IU/L ) | 118.83 ± 92.53 | 118.79 ± 78.05 |
| D. Bilirubin (0.0-0.4 mg/dL) | 0.64 ± 1.00 | 0.37 ± 0.31 |
| T. Bilirubin (0.2-1.3 mg/dL) | 1.50 ± 1.68 | 0.90 ± 0.58 |
