Table 3.
Factors Related to Mortality of Colorectal Cancer (Multivariate Analysis)*
| Variable | Number (%) | Median time (Year) 95% CI | Crude HR (95% CI) | Adj. HR (95% CI) | p-value** |
|---|---|---|---|---|---|
| Health insurance | <0.0001 | ||||
| CSMBS | 386 (20.50) | 3.29 (2.84-4.40) | 1 | 1 | |
| UCS | 1,407 (74.72) | 1.98 (1.69-2.25) | 1.36 (1.18-1.57) | 1.37 (1.09-1.72) | |
| SSS | 90 (4.78) | 2.10 (1.57-5.69) | 1.04 (0.78-1.40) | 0.78 (0.48-1.29) | |
| Combined Stage | <0.0001 | ||||
| Stage I+II | 327 (28.19) | 11.43 (7.59-NA) | 1 | 1 | |
| Stage III+IV | 833 (71.81) | 1.56 (1.37-1.73) | 3.05 (2.51-3.72) | 2.50 (2.00-3.12) | |
| Treatment | <0.0001 | ||||
| Surgery | 1,300 (67.32) | 3.42 (2.90-4.17) | 1 | 1 | |
| Non-Surgery | 631 (32.68) | 0.79 (0.62-1.00) | 2.09 (1.86-2.34) | 1.88 (1.45-2.45) | |
| Histological grading | <0.0001 | ||||
| Well | 842 (70.34) | 3.86 (3.10-4.67) | 1 | 1 | |
| Moderately | 278 (23.23) | 2.55 (2.01-3.22) | 1.19 (1.00-1.42) | 1.24 (1.00-1.52) | |
| Poorly | 77 (6.43) | 0.98 (0.45-1.49) | 2.33 (1.79-3.04) | 1.84 (1.32-2.56) | |
| Tumour site group | - | ||||
| Colon | 1,147 (59.40) | 2.50 (2.07-2.92) | 1 | - | |
| Rectum | 784 (40.60) | 2.01 (1.71-2.35) | 1.17 (1.05-1.31) | - | |
| Histological type | - | ||||
| Adenocarcinoma | 1,452 (75.19) | 2.89 (2.53-3.22) | 1 | - | |
| Non-adenocarcinoma | 479 (24.81) | 0.86 (0.59-1.16) | 1.72 (1.52-1.95) | - | |
*, adjusting for gender and age; **, p-value from partial likelihood ratio test