Table 3.
Influence of T category, and N category on the 5-year survival rate of patients with middle third gastric carcinoma surgically treated with curative intent
| Variables | PGC (n = 254) (%) | MGC (n = 764) (%) | P value |
| Depth of invasion | |||
| T1 | 77.6 | 88.8 | 0.0477 |
| T2 | 76.0 | 76.1 | 0.7534 |
| T3 | 44.6 | 45.1 | 0.9900 |
| T4 | 17.3 | 16.8 | 0.1698 |
| Lymph node metastasis | |||
| N0 | 72.3 | 79.9 | 0.0270 |
| N1 | 42.7 | 49.6 | 0.6285 |
| N2 | 33.4 | 31.0 | 0.6933 |
| Stage | |||
| I | 77.2 | 87.9 | 0.0420 |
| II | 68.4 | 63.2 | 0.5566 |
| III | 33.7 | 36.3 | 0.5823 |
| IV | 17.6 | 21.8 | 0.3635 |
MGC: Middle third gastric carcinoma; PGC: Proximal third gastric carcinoma.