Safety and Outcomes of Permanent and Retrievable Inferior Vena Cava Filters in the Oncology Population

Table 1

Patient characteristics.

Characteristic	Retrievable IVC filters ()	Permanent IVC filters ()	value
Median age (years)	64	65
Male	85 (47%)	96 (46%)	0.91
Prior history of VTE	116 (65%)	83 (40%)	<0.00001
TNM or Ann Arbor staging			<0.0000001
Stage I or II	39 (22%)	9 (4%)
Stage III or IV	89 (50%)	157 (76%)
Hematologic malignancy	51 (28%)	41 (20%)
Location of VTE			0.12
DVT	107 (60%)	100 (48%)
PE	30 (17%)	41 (20%)
DVT & PE	38 (21%)	62 (30%)
IVC	4 (2%)	3 (1%)
No VTE	0 (0%)	1 (0.5%)
Anticoagulation on discharge			<0.0001
Started	113 (63%)	82 (40%)
Not started	53 (30%)	92 (44%)
Death before discharge	13 (7%)	33 (16%)

: number. Percentages of the total retrievable and permanent filter populations are indicated in parentheses.