Table 4.

Multiple logistic regression analysis of factors associate to significant IVC filter tilt.

	Logistic Regression Coefficient	Standard Error	Wald Test	P value	Odds Ratio (95% CI)
Extrinsic compression (+)	1.52	0.58	6.85	0.0089	4.56 (1.16–14.23)
Filter tilt >9.25˚	2.32	0.47	24.18	<0.0001	10.18 (4.03–25.68)
Crescent IVC	−0.05	0.75	0.004	0.9467	0.95 (0.22–4.12)
Constant	−1.93	0.39	24.73	<0.0001