Table 3.
ORs and CIs for appendix perforation from multilevel logistic models
| Prehurricane | Posthurricane | |
|---|---|---|
| County level | ||
| High impact vs low impact | 0.62 (0.34–1.13) | 1.14 (0.56–2.31) |
| Population density (OR for increase of 100 people/mi2) | 1.02 (0.97–1.08) | 0.99 (0.93–1.06) |
| Population ages 0–18 y living below poverty level, % | 1.00 (0.98–1.03) | 1.02 (0.99,1.05) |
| African American population, % | 1.01 (0.98–1.03) | 1.00 (0.97–1.03) |
| Hospitals with ED (OR for increase of 1 hospital) | 1.17 (0.91–1.51) | 1.24 (0.91–1.69) |
| Hospitals with surgical unit (OR for increase of 1 hospital) | 0.96 (0.72–1.28) | 0.97 (0.69–1.35) |
| Surgeons/100,000 population | 0.97 (0.95–1.00) | 0.97 (0.94–1.00) |
| Individual discharge level | ||
| Age, ≤10 y vs 11–18 y | 1.46 (1.15–1.84) | 1.24 (1.00–1.53) |
| Race | ||
| African American vs white | 1.53 (1.18–1.98) | 1.82 (1.44–2.30) |
| Other vs white | 2.14 (1.13–4.07) | 1.48 (0.88–2.49) |
| Sex | ||
| Female vs male | 0.81 (0.64–1.02) | 0.93 (0.75–1.14) |
CI, confidence interval; ED, emergency department; OR, odds ratio.