Outcome of anticoagulation with rivaroxaban in patients with non-retrieved inferior vena cava filters for the prevention of filter thrombosis: a retrospective cohort study

Table 3 Outcomes after adjustment for hypertension, transient risk factors, history of VTE and cancer

Outcomes	Unadjusted HR^a (95% CI)	P value	Adjusted HR^b (95% CI)	P value
Filter thrombosis	0.622 (0.167–2.318)^c	0.480	0.459 (0.119–1.770)^c	0.258
Bleeding events	0.276 (0.099–0.768)^c	0.014	0.277 (0.096–0.803)^c	0.018
All-cause mortality	0.881 (0.340–2.284)^c	0.795	0.764 (0.281–2.078)^c	0.598

^aUnadjusted model only studies the relationship between the outcomes and anticoagulant drugs
^bAdjusted model studies the relationship between the outcomes, anticoagulant drugs and adjustment factors
^cwarfarin was used as a reference

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