Table 2. Adjusted Odds Ratios for VCF Placement in the PTOS, NTDB, and NIS.
| Variable | Adjusted Odds Ratio (95% CI) | ||
|---|---|---|---|
| PTOS (n = 461 974) |
NTDBa (n = 5 755 095) |
NISb (24 449 476) |
|
| PE | 13.1 (11.6-14.7) | 17.2 (16.5-17.9) | 18.7 (18.0-19.5) |
| Deep vein thrombosis | 12.4 (11.5-13.3) | 14.1 (13.0-15.4) | 48.8 (47.3-50.3) |
| Male sex | 1.0 (1.0-1.1)c | 1.1 (1.1-1.2) | 1.2 (1.2-1.3) |
| Obesity | 1.7 (1.6-1.8) | 1.7 (1.5-1.8) | 1.3 (1.2-1.3) |
| Major procedure | 2.8 (2.7-3.0) | 3.9 (3.9-4.0) | 6.9 (6.7-7.2) |
| Central catheter | 2.2 (2.1-2.3) | 2.9 (2.9-3.0) | 3.1 (2.9-3.3) |
| Blood transfusion | 1.0 (0.7-1.2)c | 2.1 (2.0-2.1) | 3.2 (2.9-3.5) |
| Pelvic fracture | 3.7 (3.5-3.9) | 3.0 (2.9-3.1) | 3.7 (3.6-3.8) |
| Lower extremity fracture | 2.6 (2.4-2.7) | 2.0 (2.0-2.1) | 1.9 (1.8-1.9) |
| Spinal cord paralysis | 10.7 (9.1-12.5) | 6.8 (6.2-7.4) | 4.9 (3.8-6.2) |
| Trauma mortality prediction model | 1.4 (1.4-1.4) | 1.4 (1.4-1.5) | 1.7 (1.7-1.7) |
| Age group, y | |||
| ≤20s | 1 [Reference] | 1 [Reference] | 1 [Reference] |
| 30s | 1.4 (1.3-1.5) | 1.4 (1.4-1.4) | 1.2 (1.2-1.3) |
| 40s | 1.5 (1.4-1.6) | 1.6 (1.5-1.6) | 1.3 (1.2-1.3) |
| 50s | 1.7 (1.6-1.8) | 1.7 (1.7-1.8) | 1.4 (1.4-1.5) |
| 60s | 1.9 (1.8-2.1) | 1.9 (1.8-1.9) | 1.4 (1.4-1.5) |
| 70s | 2.0 (1.9-2.2) | 1.8 (1.7-1.8) | 1.4 (1.3-1.5) |
| 80s | 1.9 (1.7-2.0) | 1.5 (1.4-1.5) | 1.3 (1.2-1.3) |
| ≥90s | 1.3 (1.1-1.5) | 0.8 (0.7-0.9) | 1.0 (1.0-1.1)c |
| Year | |||
| 2003 | 1 [Reference] | 1 [Reference] | 1 [Reference] |
| 2004 | 1.4 (1.3-1.6) | 1.2 (1.2-1.3) | 1.1 (0.9-1.2)c |
| 2005 | 1.6 (1.4-1.8) | 1.7 (1.6-1.8) | 1.3 (1.1-1.5) |
| 2006 | 1.9 (1.7-2.2) | 1.8 (1.6-1.8) | 1.4 (1.2-1.6) |
| 2007 | 1.6 (1.4-1.8) | 1.7 (1.6-1.8) | 1.4 (1.2-1.6) |
| 2008 | 1.7 (1.5-1.9) | 1.7 (1.6-1.8) | 1.4 (1.2-1.6) |
| 2009 | 1.7 (1.5-1.8) | 1.4 (1.3-1.5) | 1.4 (1.2-1.6) |
| 2010 | 1.3 (1.2-1.5) | 1.4 (1.3-1.4) | 1.6 (1.4-1.9) |
| 2011 | 1.0 (0.9-1.1)c | 1.1 (1.0-1.1) | 1.5 (1.3-1.8) |
| 2012 | 0.8 (0.7-0.9) | 0.9 (0.9-1.0) | 1.7 (1.5-1.9) |
| 2013 | 0.7 (0.6-0.8) | 0.7 (0.7-0.8) | 1.5 (1.3-1.7) |
| 2014 | 0.6 (0.5-0.6) | 0.6 (0.6-0.7) | NA |
| 2015 | 0.4 (0.3-0.4) | NA | NA |
| Overall AUROC | 0.90 | 0.92 | 0.94 |
Abbreviations: AUROC, area under the receiver operating characteristic curve; NA, not applicable; NIS, National (Nationwide) Inpatient Sample; NTDB, National Trauma Data Bank; PE, pulmonary embolism; PTOS, Pennsylvania Trauma Outcome Study; VCF, vena cava filter.
a
From 2003 to 2014 only.
b
From 2003 to 2013 only.
c
P > .05.