Group | Number of patients | Harvested lymph nodes | Postoperative TNM staging (cases) | 1-year survival | 3-year survival | 5-year survival | |||
---|---|---|---|---|---|---|---|---|---|
I | II | III | |||||||
Observation group | 36 | 14.8 | 5 | 19 | 12 | 100% | 83% | 61% | |
Control group | 128 | 14.1 | 15 | 77 | 36 | 100% | 75% | 58% | |
P value | 0.062 | 0.730a | 0.363a | 0.723a | |||||
T/X2 value | 1.880 | 0.630 | 0.827 | 0.126 |