International Journal of Vascular Medicine / 2016 / Article / Tab 1

Research Article

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
 DVT74 ()148 ()0.57
  Bilateral24 ()41 ()0.76
  IVC3 ()2 ()0.34
  Proximal60 ()127 ()0.28
 PE50 ()41 ()<0.01
Filter indication
 Surgery 34 ()62 ()0.84
 Bleeding34 ()87 ()0.035
 Bleeding risk17 ()13 ()<0.01
 Failed anticoagulation2 ()2 ()0.51
 Other2 ()7 ()0.42
 Bleeding + bleeding risk51 ()100 ()0.71
Comorbidities
 COPD6 ()12 ()0.90
 CHF7 ()20 ()0.31
 CAD4 ()30 ()<0.01
 CKD9 ()26 ()0.23
 Liver disease1 ()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 ≥150 ()

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.