Retrievable Inferior Vena Cava Filters in Patients with Cancer: Complications and Retrieval Success Rate

Table 1

Clinical characteristics of the subjects by cancer status.

	Active cancer ()	No cancer ()	value
Follow-up (median, IQR)	203 (31–397)	156 (34–349)	0.52
Age, years (mean, SD)	62 ()	56 ()	<0.01
Male gender	28 ()	93 ()	<0.01
VTE event	87 ()	164 ()	0.22
DVT	74 ()	148 ()	0.57
Bilateral	24 ()	41 ()	0.76
IVC	3 ()	2 ()	0.34
Proximal	60 ()	127 ()	0.28
PE	50 ()	41 ()	<0.01
Filter indication
Surgery	34 ()	62 ()	0.84
Bleeding	34 ()	87 ()	0.035
Bleeding risk	17 ()	13 ()	<0.01
Failed anticoagulation	2 ()	2 ()	0.51
Other	2 ()	7 ()	0.42
Bleeding + bleeding risk	51 ()	100 ()	0.71
Comorbidities
COPD	6 ()	12 ()	0.90
CHF	7 ()	20 ()	0.31
CAD	4 ()	30 ()	<0.01
CKD	9 ()	26 ()	0.23
Liver disease	1 ()	9 ()	0.17
Anticoagulation	61 ()	88 ()	0.01
Cancer related variables
Chemotherapy	28 ()
Metastatic	44 ()
Khorana score
Low (0)	9 ()
Intermediate (1-2)	60 ()
High (≥3)	17 ()
Ottawa score ≥1	50 ()

Note. Values are (%) unless otherwise specified. IQR: interquartile range; SD: standard deviation; : Fisher’s exact test, a: other indications included poor cardiopulmonary reserve, massive PE, and thrombectomy.