Association of patient characteristics of new vs. established trauma centers in Pennsylvania, 2010–2018
| Characteristic | OR (95% CI) | P value |
| Payer status | ||
| Private | 1.56 (1.47 to 1.65) | <0.001 |
| Medicare | 2.01 (1.88 to 2.14) | <0.001 |
| Medicaid/self-pay | Ref | |
| Gender | ||
| Female | 1.11 (1.08 to 1.15) | <0.001 |
| Male | Ref | |
| Non-white race | 0.53 (0.50 to 0.57) | <0.001 |
| Injury Severity Score | ||
| <9 | Ref | |
| 9–15 | 1.02 (0.99 to 1.06) | 0.19 |
| 16–24 | 0.86 (0.82 to 0.91) | <0.001 |
| ≥25 | 0.79 (0.74 to 0.85) | <0.001 |
| Mechanism of injury | ||
| Penetrating | 0.60 (0.55 to 0.66) | <0.001 |
| Blunt | Ref | |
| Area | ||
| Rural | 1.37 (1.33 to 1.42) | <0.001 |
| Urban | Ref | |
| Age with comorbidities | ||
| 16–39 without comorbidities | Ref | |
| 16–39 | 0.82 (0.79 to 0.85) | <0.001 |
| 40–64 | 0.86 (0.85 to 0.88) | <0.001 |
| ≥65 | 0.89 (0.88 to 0.90) | <0.001 |