OR estimate | 95% Wald confidence limits | |||
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 |
*Statistically significant at the α=0.05 level.
ICISS, ICD-9-CM Injury Severity Score.