Table 3.
Adjusted Odds Ratios1 for 30- and 90-Day Mortality
| 30-day Mortality2 | 90-day Conditional Mortality3 | |
|---|---|---|
| Odds Ratio, 95% Confidence Limits | Odds Ratio, 95% Confidence Limits | |
| Hospital Average Annual Volume | ||
| >= 20 | 1.0 (Reference) | 1.0 (Reference) |
| 10–19 | 1.2 (1.0–1.6) | 1.3 (1.1–1.5) |
| 0–9 | 1.5 (1.3–1.9) | 1.2 (1.0–1.4) |
| Elixhauser Group | ||
| Congestive Heart Failure | 1.8 (1.4–2.3) | 1.7 (1.4–2.1) |
| Cardiac Arrhythmias | 1.3 (1.1–1.6) | 1.3 (1.1–1.6) |
| Hypertension | 0.7 (0.6–0.9) | 0.8 (0.7–0.9) |
| Other Neurologic Disorders | 2.5 (1.8–3.6) | 1.6 (1.1–2.3) |
| Chronic Pulmonary Disease5 | 1.3 (1.1–1.6) | 1.1 (0.9–1.3) |
| Diabetes, Uncomplicated4 | 1.2 (1.0–1.4) | 1.2 (1.1–1.4) |
| Renal Failure | 1.8 (1.2–2.7) | 1.7 (1.2–2.4) |
| Liver Disease5 | 3.0 (1.6–5.9) | 1.8 (1.0–3.5) |
| Coagulopathy5 | 1.8 (1.2–2.7) | 1.3 (0.9–1.9) |
| Weight Loss | 1.4 (1.0–1.9) | 2.1 (1.7–2.7) |
| Fluid and Electrolyte Disorders | 1.4 (1.1–1.7) | 1.2 (1.0–1.4) |
| Age Group | ||
| 18–49 (Reference) | 1.0 (Reference) | 1.0 (Reference) |
| 50–59 | 1.0 (0.6–1.7) | 0.8 (0.6–1.1) |
| 60–69 | 1.5 (0.9–2.4) | 1.2 (0.9–1.6) |
| 70–79 | 2.3 (1.4–3.8) | 2.1 (1.5–2.8) |
| >=80 | 4.1 (2.6–6.7) | 3.4 (2.4–4.7) |
| Race | ||
| White | 1.0 (Reference) | 1.0 (Reference) |
| Black | 1.4 (1.1–1.8) | 1.2 (1.0–1.5) |
| Other/Unknown | 0.9 (0.6–1.3) | 0.7 (0.5–1.0) |
| Median Income5 | ||
| >=$28,000 | 1.0 (Reference) | 1.0 (Reference) |
| <$28,000 | 1.3 (1.0–1.6) | 1.1 (0.9–1.4) |
| Insurance | ||
| Private | 1.0 (Reference) | 1.0 (Reference) |
| None, Medicaid | 1.2 (0.8–1.8) | 1.7 (1.3–2.2) |
| Medicare | 1.5 (1.2–1.9) | 1.1 (0.9–1.3) |
| Other, Unknown | 1.5 (1.0–2.1) | 1.3 (1.0–1.7) |
| Stage1 | ||
| 0–II | 1.0 (Reference) | 1.0 (Reference) |
| III,T4bN0M0/N+M0 | 1.4 (1.2–1.6) | 2.8 (2.5–3.2) |
| Prior Cancers4 | ||
| None | 1.0 (Reference) | 1.0 (Reference) |
| One or more | 1.1 (1.0–1.3) | 1.1 (1.0–1.3) |
| Neoadjuvant Chemotherapy5 | ||
| Yes | 1.0 (Reference) | 1.0 (Reference) |
| No | 1.3 (1.0–1.6) | 1.1 (0.9–1.3) |
| Diagnosis Years4 | ||
| 2008–2011 | 1.0 (Reference) | 1.0 (Reference) |
| 2004–2007 | 1.0 (0.9–1.1) | 1.1 (1.0–1.3) |
1
Variables significant at p <= .05, unless otherwise indicated. Non-significant variables also included in the model: sex, tumor grade.
2
N=35, 055, 936 deaths
3
Conditional on having survived through 30 days; N=33,250, 1,519 Deaths, excludes 936 cases who died within 30 days,
4
Not significant 30 day mortality (p> .05).
5
Not significant 90 day conditional mortality (p>.05).
6
Based on 2000 Census data income of patient zip code. 2,037 cases with missing income classifed included in top quartile groups.