Table 3.
Adjusted Odds Ratio (95% Confidence Interval) for Characteristics Associated with Thirty-Day Mortality Following Colorectal Cancer Surgery, 2000–2005
| Adjusted OR (95% CI) | |
|---|---|
| Sociodemographic characteristics | |
| Male sex (vs. female) | 1.31 (1.21–1.42) |
| Race (vs. white) | |
| African American | 0.89 (0.77–1.04) |
| Other | 0.67 (0.56–0.82) |
| Comorbidity (vs. 0) | |
| 1 | 1.17 (1.06–1.29) |
| 2+ | 1.60 (1.45–1.75) |
| Medicaid (yes vs. no) | 1.06 (0.95–1.18) |
| Age group (vs. age 66–74) | |
| 75–84 | 1.65 (1.50–1.82) |
| 85+ | 3.53 (3.16–3.94) |
| Year at diagnosis (vs. 2000) | |
| 2001 | 0.95 (0.83–1.09) |
| 2002 | 0.87 (0.76–1.00) |
| 2003 | 0.97 (0.85–1.11) |
| 2004 | 0.88 (0.77–1.01) |
| 2005 | 0.86 (0.75–0.99) |
| Area-level characteristics | |
| Poverty rate (vs. <10%) | |
| 10–19% | 1.23 (1.12–1.36) |
| 20+% | 1.30 (1.15–1.47) |
| Hospital characteristics | |
| Hospital volume (beds) versus 1–199 beds | |
| 200–349 | 0.91 (0.81–1.04) |
| 350–499 | 0.94 (0.81–1.09) |
| 500+ | 0.86 (0.72–1.02) |
| Surgeon case load (vs. 70+) | |
| <21 | 1.29 (1.13–1.47) |
| 21–38 | 1.23 (1.07–1.41) |
| 39–69 | 1.14 (0.99–1.31) |
| Unknown | 1.19 (1.02–1.39) |
| Teaching hospital (vs. Yes) | |
| No | 1.15 (1.02–1.30) |
| Unknown | 1.22 (1.05–1.42) |
| Tumor characteristics | |
| AJCC stage (vs. 0/I) | |
| II | 1.60 (1.40–1.83) |
| III | 1.46 (1.27–1.69) |
| IV | 4.12 (3.57–4.75) |
| Unknown | 1.65 (1.36–2.01) |
| Tumor grade (vs. well differentiated) | |
| Moderate differentiation | 0.96 (0.82–1.12) |
| Poor differentiation | 1.35 (1.14–1.60) |
| Undifferentiated | 1.75 (1.25–2.45) |
| Unknown | 1.26 (1.03–1.55) |
| Tumor location (vs. rectal) | |
| Proximal colon | 1.41 (1.25–1.60) |
| Transverse colon | 1.57 (1.36–1.82) |
| Distal colon | 1.28 (1.11–1.46) |
| Tumor histology (vs. mucinous adenocarcinoma) | |
| Nonadenocarcinoma/unknown | 1.63 (1.31–2.01) |
| Other CRC | 1.00 (0.88–1.12) |
| Treatment characteristics | |
| Emergency surgery (vs. No) | 2.35 (2.17–2.55) |