Clinical Study
Appropriate Patient Selection in the Management of Common Bile Duct Stones: When Not to Do ERCP
Table 2
Biochemical findings as separate risk factors for the presence of CBD stones.
| Risk factor | Odds ratio | 95% C.I. | Sensitivity | Specificity |
| Bilirubin | 1.10 | 0.38–3.22 | 58% | 83% | ALT > normal | 13.7 | 1.57–120 | 96% | 65% | ALP > normal | 7.2 | 1.97–26.3 | 83% | 82% |
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