Effect of demographic variables on outcome
| Odds of Death | Odds of Worse Outcome at Hospital Discharge (Four-Level Scale) | |
|---|---|---|
| Age (per decade) | 2.04 (1.29–3.24) | 1.58 (1.19–2.11) |
| P = 0.002 | P = 0.002 | |
| Female gender | 0.21 (0.06–0.76) | 0.41 (0.21–0.80) |
| P = 0.02 | P = 0.01 | |
| Race | ||
| White versus nonwhite | 1.49 (0.14–15) | 1.95 (0.76–5.00) |
| P = 0.7 | P = 0.16 | |
| Black versus nonblack | (No deaths)* | 0.39 (0.05–2.82) |
| P = 0.4 | ||
| Primary payer | ||
| Medicaid versus other | (No deaths)* | 2.22 (0.89–5.58) |
| P = 0.09 | ||
| Private insurance versus other | (No deaths)* | 0.36 (0.16–0.80) |
| P = 0.01 | ||
| Year of treatment | 1.005 (0.53–1.88) | 0.83 (0.62–1.11) |
| P = 0.99 | P = 0.2 | |
| Median income in ZIP code of residence | 0.64 (0.33–1.25) | 0.72 (0.52–1.00) |
| P = 0.2 | P = 0.05 |
↵* Regression coefficients for these variables were undefined because all deaths occurred in one subgroup.