Table 2.
Univariate analysis of clinicopathological factors for overall survival in stage II PDCRC.
| Factor | N | Kaplan-Meier log rank test P value |
|
|---|---|---|---|
| NED(−) | NED(+) | ||
| Age | |||
| <65 | 15 | 3 | 0.019 |
| ≥65 | 13 | 11 | |
| Gender | |||
| Male | 15 | 3 | 0.391 |
| Female | 13 | 11 | |
| Primary tumor location | |||
| Colon | 24 | 10 | 0.174 |
| Rectum | 4 | 4 | |
| LND | |||
| <12 | 8 | 7 | 0.224 |
| ≥12 | 20 | 7 | |
| Chemotherapy receipt | |||
| Yes | 11 | 4 | 0.809 |
| No | 17 | 10 | |
| T stage | |||
| T3 | 15 | 8 | 0.003 |
| T4a | 10 | 5 | |
| T4b | 3 | 1 | |
| Lymphatic invasion | |||
| Yes | 2 | 2 | 0.469 |
| No | 26 | 12 | |
| NED | |||
| Positive | / | 14 | 0.018 |
| Negative | 28 | / | |
LND: lymph node discovered; NED: neuroendocrine differentiation.