Table 4.
Adjusted HRs and 95% CIs for cancer-specific survival by stage
| Analysis type | All stages (N=8197)
|
Stage I (N=1699)
|
Stage II (N=2726)
|
Stage III (N=3772)
|
||||
|---|---|---|---|---|---|---|---|---|
| HR (95% CI) | P | HR (95% CI) | P | HR (95% CI) | P | HR (95% CI) | P | |
| Unadjusted | ||||||||
| RCC | 1 | 0.002 | 1 | 0.79 | 1 | 0.003 | 1 | <0.001 |
| LCC | 0.86 (0.78–0.95) | 1.08 (0.62–1.86) | 1.36 (1.11–1.66) | 0.80 (0.72–0.90) | ||||
| Adjusted* | ||||||||
| RCC | 1 | 0.34 | 1 | 0.20 | 1 | 0.048 | 1 | 0.01 |
| LCC | 0.95 (0.86–1.05) | 1.47 (0.82–2.63) | 1.24 (1.00–1.54) | 0.86 (0.77–0.97) | ||||
Note:
*
Cox regression model controlling for year of diagnosis, age groups, sex, race, histological subtype, tumor grade, AJCC TNM stage, the number of LNs examined, and marriage status.
Abbreviations: HR, hazard ratio; CI, confidence interval; RCC, right-sided colon cancer; LCC, left-sided colon cancer; AJCC, American Joint Committee on Cancer; LNs, lymph nodes.