Table 3.
Risk-adjusted mortality by critical admissions per year modeled using MEGLM *.
| Volume Quintiles | Critical Admissions/Year | Odds Ratio | 95% Confidence Interval | p-Value |
|---|---|---|---|---|
| Early Group 1 | 1–134 | Referent | -- | -- |
| 2 | 135–241 | 0.89 | 0.75–1.06 | 0.19 |
| 3 | 242–419 | 0.83 | 0.71–0.98 | 0.03 |
| 4 | 424–662 | 0.84 | 0.71–0.98 | 0.03 |
| 5 | 665–2323 | 0.79 | 0.67–0.93 | 0.01 |
| AUROC 0.889 | ||||
| Late Group 1 | 12–219 | Referent | -- | |
| 2 | 223–348 | 1.02 | 0.91–1.14 | 0.75 |
| 3 | 354–519 | 0.94 | 0.84–1.05 | 0.28 |
| 4 | 520–765 | 0.93 | 0.84–1.04 | 0.20 |
| 5 | 777–2678 | 0.91 | 0.82–1.02 | 0.10 |
| AUROC 0.895 |
* Conditioned upon injury severity (TMPM), age, sex, GCS motor score, TBI, and penetrating injury status.