Table 5.

Multivariate logistic regression model built with backward selection of variables with P < 0.05

Variables	OR	95% CI	P
Age (yr)	1.07	1.00–1.14	0.03
sCysC (ng/ml)	2.04	1.23–3.40	0.005
Vitamin D (ng/ml)	0.89	0.83–0.96	0.003
Male	19.95	4.96–80.22	<0.001

CI, confidence interval; CysC: cystatin C; OR, odds ratio.