Table 1.
Characteristics of 393 Patients Who Underwent IVC Filter Placement
| Patients undergoing IVC filter placement | |
|---|---|
| N = 393 | |
| N (%) or mean ± SD | |
| Age (mean years ± SD) | 60.5 ± 15.5 |
| Age | |
| <50 years | 89 (22.6) |
| 50–69 years | 190 (48.3) |
| ≥70 years | 114 (29.0) |
| Female | 194 (49.4) |
| Race | |
| White | 261 (66.4) |
| Black | 28 (7.1) |
| Latino | 15 (3.8) |
| Asian-American/Pacific Islander | 49 (12.5) |
| Other/unknown | 40 (10.2) |
| Language | |
| English | 325 (82.7) |
| Spanish | 14 (3.6) |
| Chinese | 14 (3.6) |
| Other | 9 (2.3) |
| Unknown | 31 (7.9) |
| Admitting service | |
| General medicine | 120 (30.5) |
| Surgicala | 215 (54.7) |
| Otherb | 58 (14.8) |
| Type of filter placed | |
| Retrievable | 280 (71.2) |
| Non-retrievable or unknown filter type | 113 (28.8) |
| Primary indication for filter placement | |
| VTE, anticoagulation contraindicated | 294 (74.8) |
| VTE, on anticoagulation or unspecified | 39 (9.9) |
| High risk for VTE from surgery | 28 (7.1) |
| Other | 32 (8.1) |
| Comorbid medical conditions | |
| History of malignancy | 203 (51.7) |
| Prior VTE | 87 (22.1) |
| Hypertension | 109 (27.7) |
| Coronary artery disease | 41 (10.4) |
| Congestive heart failure | 30 (7.6) |
| Chronic lung disease | 35 (8.9) |
| Length of stay (mean days ± SD) | 22.5 ± 24.7 |
| Anticoagulation at dischargec | |
| None | 232 (59.0) |
| Warfarin only | 53 (13.5) |
| Enoxaparin plus warfarin | 36 (9.2) |
| Enoxaparin only | 46 (11.7) |
| Disposition | |
| Home | 211 (53.8) |
| Skilled nursing facility/rehabilitation center | 95 (24.2) |
| Other acute care facility | 32 (8.2) |
| Death | 54 (13.8) |
IVC = inferior vena cava, SD = standard deviation, VTE = venous thromboembolism
aSurgical services were: general, cardiothoracic, head and neck, gynecologic, transplant, neurosurgery, orthopedics, vascular, and urology
bOther services were: cardiology, cancer service, gynecology, pediatrics, and neurology
cInformation on anticoagulation use at discharge was missing for 26 individuals