Abstract #245 Table 1

Diagnostic property of intraoperative cholangiography for choledocholithiasis

Choledocholithiasis with or without Sludge95% CICholedocholithiasis Alone95% 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