Table IV.
Stratified analysis according to T and N stages for different post-operative adjuvent therapies.
| Median recurrence-free time (months)
|
Median recurrence-free time (months)
|
|||||
|---|---|---|---|---|---|---|
| Characteristic | No post-op. RT | Post-op. RT | P-value | No post-op. CT | Post-op CT | P-value |
| Depth of invasion | ||||||
| pT1 | - | 52.7 | 0.121 | - | - | 0.049 |
| pT2 | - | 30.2 | <0.001 | - | 30.1 | <0.001 |
| pT3 | 27.3 | 24.5 | 0.278 | 28.7 | 23.1 | 0.355 |
| pT4 | 15.7 | 18.7 | 0.692 | 16.3 | 17.6 | 0.887 |
| LN metastais | ||||||
| pN0 | - | 27.4 | <0.001 | - | 24.1 | <0.001 |
| pN1 | 41.0 | 25.4 | 0.002 | 41.2 | 25.2 | 0.003 |
| pN2 | 16.2 | 15.9 | 0.360 | 17.1 | 13.4 | 0.449 |
| pN3 | 11.0 | 12.8 | 0.072 | 9.8 | 12.8 | 0.094 |
a
For females, T1, T2 and N0 median recurrence time was beyond the observation period. Post-op., post-operative; RT, radiotherapy; CT, chemotherapy; LN, lymph node.