Diagnostic property of intraoperative cholangiography for choledocholithiasis
| Choledocholithiasis with or without Sludge | 95% CI | Choledocholithiasis Alone | 95% CI | |
|---|---|---|---|---|
| Prevalence | 79/259 (30.5%) | 67/260 (25.9%) | ||
| Accuracy | 86.1% | 81.3–90.1% | 82.2% | 77.0–87.0% |
| Sensitivity | 92.4% | 84.2–97.2% | 92.5% | 83.4–97.5% |
| Specificity | 83.3% | 77.1–88.5% | 78.7% | 72.2–84.2% |
| PPV | 70.9% | 63.6–77.2% | 60.2% | 53.3–66.7% |
| NPV | 96.2% | 92.0–98.2% | 96.8% | 92.8–98.6% |
| Positive LR | 5.4 | 4.0–7.7 | 4.3 | 3.3–5.7 |
| Negative LR | 0.09 | 0.04–0.20 | 0.09 | 0.04–0.22 |