Serum Carbohydrate Antigen 199 as a Biomarker for Evaluating Patients with Choledocholithiasis

Table 6

Multiple linear regression for CRP.

Variables	Std. error	Standardized coefficients			95.0% confidence interval for B		Collinearity statistics
		Beta			Lower bound	Upper bound	Tolerance	VIF
(Constant)	19.477		2.238	0.027	5.053	82.119
Tbil	0.052	0.144	1.392	0.166	-0.031	0.175	0.678	1.474
Gender	7.18	-0.005	-0.054	0.957	-14.59	13.819	0.965	1.037
Age	0.268	-0.123	-1.4	0.164	-0.904	0.155	0.942	1.061
CA199	0.015	0.075	0.723	0.471	-0.018	0.04	0.677	1.476