Patient factors | Age* | 1.09 | 1.01 | 1.17 |
| Female | 0.69 | 0.41 | 1.14 |
| Black* | 1.95 | 1.11 | 3.42 |
| Other race | 1.08 | 0.52 | 2.28 |
| Hispanic | 1.31 | 0.69 | 2.47 |
| Uninsured | 0.74 | 0.24 | 2.21 |
| Medicaid* | 1.76 | 1.05 | 2.92 |
| ICISS | 0.01 | <0.001 | >999.99 |
Nature of injury | Fractures of the skull, neck, or trunk* | 4.59 | 1.36 | 15.51 |
(Reference: other fractures) | Internal injury* | 7.78 | 2.52 | 24.00 |
| Open wound* | 5.26 | 1.40 | 19.78 |
| Burns | 16.29 | 0.69 | 383.12 |
| Other injury* | 5.97 | 1.42 | 25.05 |
Mechanisms of injury | Cut | 1.63 | 0.29 | 9.15 |
(Reference: falls) | Fire | 0.95 | 0.04 | 21.63 |
| Firearm* | 11.99 | 2.39 | 60.03 |
| Motor vehicle traffic* | 2.25 | 1.03 | 4.90 |
| Transport | 2.08 | 0.98 | 4.44 |
| Natural/environmental | 0.14 | 0.015 | 1.28 |
| Struck by/against | 1.06 | 0.48 | 2.36 |
| Other mechanism | 0.36 | 0.03 | 4.80 |
Hospital factors | Teaching | 1.79 | 0.96 | 3.36 |
(Reference: not for profit) | For profit* | 6.70 | 3.42 | 13.15 |
| Public* | 3.44 | 1.74 | 6.80 |