Table 2. Univariate and multivariate analyses of overall survival in late stage CRC patients.
| Factors | Univariate Cox regression |
Multivariate Cox regression |
||
|---|---|---|---|---|
| HR (95% CI) | P | HR (95% CI) | P | |
| Age | 1.017 (0.998 ~ 1.037) | 0.076 | – | – |
| Gender (Male/Female) | 1.245 (0.761 ~ 2.036) | 0.380 | – | – |
| Stage (IV/III) | 4.384 (2.671 ~ 7.194) | 7.894e-09 | 4.709 (2.839 ~ 7.812) | 1.960e-09 |
| Grade (III/I + II) | 1.620 (0.974 ~ 2.696) | 0.071 | – | – |
| Risk score | 2.225 (1.740 ~ 2.845) | 4.047e-10 | 2.223 (1.739 ~ 2.842) | 1.831e-10 |
Abbreviations: HR = hazard ratio; CI = confidence interval. Note: Significant P values were in bold (P < 0.05).