Table 5.

Patient risk: unadjusted and multivariate odds of choledocholithiasis.

Predictors	Odds ratio (OR)	Lower 95% CI	Upper 95% CI	p value
Unadjusted odds
High risk
Presence of any very strong predictor	3.30	2.26	4.83	<.0001
Presence of two very strong predictors	9.68	2.86	32.80	0.0003
Presence of both strong predictors	2.36	1.30	4.29	0.0046
Intermediate risk
Presence of any strong predictor	1.66	1.14	2.42	0.008
Presence of one strong predictor	1.54	1.04	2.27	0.029
Presence of any moderate predictor	2.07	0.79	5.43	0.138
Multivariate odds
High risk
Presence of any very strong predictor	2.87	1.55	5.32	0.0008
Presence of both strong predictors	3.24	1.69	6.22	0.0004