Table 2.
Clinicopathological characteristics and survival of 2604 patients with advanced gastric cancer
| Variable | Patient number, n (%) | Survival period | P value |
| Gender | 0.619 | ||
| Male | 1939 (74.4) | 34 | |
| Female | 665 (25.6) | 32 | |
| Age (yr) | 0.705 | ||
| < 60 | 1289 (49.6) | 34 | |
| ≥ 60 | 1314 (50.4) | 32 | |
| Lymphatic and/or blood vessel invasion | < 0.001 | ||
| Presence | 442 (17) | 24 | |
| Absence | 2162 (83) | 36 | |
| Borrmann type | < 0.001 | ||
| I | 123 (4.7) | 60 | |
| II | 464 (17.8) | 45 | |
| III | 1663 (63.9) | 34 | |
| IV | 354 (13.6) | 16 | |
| Tumor location | < 0.001 | ||
| Upper third | 301 (11.6) | 32 | |
| Middle third | 401 (15.4) | 33 | |
| Lower third | 1355 (52) | 39 | |
| Whole stomach | 547 (21) | 22 | |
| Tumor size (mm) | < 0.001 | ||
| < 50 | 911 (35) | 45 | |
| ≥ 50 | 1693 (65) | 25 | |
| Histologic grade | < 0.001 | ||
| Well | 972 (37.3) | 40 | |
| Poor | 1632 (62.7) | 30 | |
| pT category | < 0.001 | ||
| T2 | 323 (12.4) | 60 | |
| T3 | 570 (21.9) | 37 | |
| T4a | 1440 (51.3) | 30 | |
| T4b | 271 (10.4) | 18 | |
| pN category | < 0.001 | ||
| N0 | 566 (21.7) | 60 | |
| N1 | 466 (17.9) | 45 | |
| N2 | 624 (24) | 33 | |
| N3 | 948 (36.4) | 18 | |
| Surgical approach | < 0.001 | ||
| Proximal gastrectomy | 234 (9) | 38 | |
| Distal gastrectomy | 1586 (60.9) | 39 | |
| Total gastrectomy | 784 (30.1) | 22 | |
| Radical surgery | < 0.001 | ||
| R0 | 2125 (81.7) | 39 | |
| R1/R2 | 479 (18.3) | 13 | |
| Combined resection | < 0.001 | ||
| Presence | 89 (3.4) | 18 | |
| Absence | 2125 (96.6) | 34 |