Table 3.
Univariate and multivariate survival analyses of representative histopathological variables
| Parameters | Univariate | Multivariate | ||
|---|---|---|---|---|
| Hazard ratio | 95% CI | P value | ||
| Age (≥65 vs. <65) | 0.55 | 1.02 | 0.54 to 1.91 | 0.9495 |
| Tumor location (colon vs. rectum) | 0.80 | 1.16 | 0.61 to 2.21 | 0.6517 |
| Depth (pT3 vs. pT2) | 0.38 | 1.19 | 0.56 to 2.53 | 0.6463 |
| Lymph node involvement (pN1-2 vs. pN0) | 0.036 | 1.35 | 0.70 to 2.60 | 0.3758 |
| PDC grade (G3 vs. G1-2) | <0.0001 | 3.21 | 1.67 to 6.20 | <0.0005 |
CI: confidence interval, PDC: poorly differentiated cluster.