. Author manuscript; available in PMC: 2016 Jul 1.

Published in final edited form as: Gastrointest Endosc. 2015 Mar 16;82(1):88–93. doi: 10.1016/j.gie.2014.12.023

Table 2.

Sensitivity, specificity, PPV, and NPV of various clinical and biochemical predictors in accurately predicting presence of persistent choledocholithiasis

	Sensitivity	Specificity	PPV	NPV
Bili >4 mg/dL (first set)	.301	.825	.558	.603
Bili >4 mg/dL (second set)	.223	.856	.529	.603
Stone on ultrasound	.218	.935	.708	.623
Decrease in ALT and bilirubin >30% each on second set labs	.870	.150	.427	.611
Biliary pancreatitis	.417	.689	.439	.670