Bedside score predicting retained common bile duct stone in acute biliary pancreatitis

Table 3 Variables that were independently associated with common bile duct stones and their corresponding weight points given according to coefficient estimates

Parameters	Coefficient estimate	Odds ratio (95%CI)	P value	Weights appointed for the score
Age	0.05 ± 0.01	1.061 (1.026-1.097)	0.0005	× 0.5
Dilated common bile duct by US	1.3 ± 0.058	3.685 (1.160-11.711)	0.0270	× 10
Gamma-glutamyltransferase (U/L)	0.002 ± 0.0007	1.003 (1.001-1.004)	0.0003	× 0.02

US: Ultrasound.