Table 4.
Survival based on pT and pN stages in the large-sized tumor and small-sized tumor groups
|
n (5-yr OS, %) |
χ2 | P value | ||
| LST | SST | |||
| pT2 | ||||
| pN0 | 9 (88.9) | 36 (96.7) | 0.260 | 0.610 |
| pN1 | 11 (72.7) | 26 (91.1) | 0.000 | 0.986 |
| pN2 | 4 (50.0) | 16 (87.1) | 0.066 | 0.797 |
| pN3 | 4 (0.00) | 11 (63.6) | 7.661 | 0.006 |
| pT3 | ||||
| pN0 | 3 (66.7) | 9 (100.0) | 1.634 | 0.201 |
| pN1 | 6 (66.7) | 4 (75.0) | 0.348 | 0.555 |
| pN2 | 2 (0.0) | 3 (66.7) | 0.825 | 0.364 |
| pN3 | 8 (12.5) | 5 (40.0) | 3.940 | 0.047 |
| pT4a | ||||
| pN0 | 23 (68.7) | 25 (83.1) | 5.108 | 0.024 |
| pN1 | 24 (54.2) | 21 (75.4) | 4.743 | 0.029 |
| pN2 | 46 (27.2) | 23 (61.9) | 7.682 | 0.006 |
| pN3 | 83 (6.9) | 28 (48.6) | 23.138 | 0.000 |
LST: Large-sized tumor; SST: Small-sized tumor; OS: Overall 5-year survival rate.