Table 3.

Multivariate analysis of risk factors for failure of subclavian vein catheterization.

Factors	OR	95% CI for OR	p
Age > 60 years	1.045	1.024–1.067	0.001
Central venous access with Certofix®	0.570	0.363–0.896	0.015
Constant	0.006		0.001

We used Forward LR of logistic regression in the multivariate analysis.