TABLE 3.
Multivariate Cox Regression HR for Colon Carcinoma Mortality Stratified by Tumor Grade, Based on 5-Year Postsurgical Follow-Up
| Variable | Low gradea HR (95% CI) | High gradea HR (95% CI) |
|---|---|---|
| Race | ||
| Caucasian (referent) | 1.00 | 1.00 |
| African American | 1.27 (0.87–1.83) | 3.05 (1.32–7.05) |
| Stage | ||
| Localized (referent) | 1.00 | 1.00 |
| Regional | 2.72 (1.74–4.25) | 4.74 (1.74–12.74) |
| Distant | 11.61 (7.21–18.70) | 8.35 (3.21–21.76) |
HR: hazard ratio; 95% CI: 95% confidence interval.
a
Model adjusted for race, gender, age, hospital, tumor stage, and tumor site (race × tumor grade interaction term: P = 0.003).