Table 1.
Characteristics of the included patients (n=500).
| Characteristics | Total cases, n=500 | Alive, n=202 | Deaths, n=298 |
|---|---|---|---|
| Age at diagnosis, n (%) | |||
| ≥50 years | 410 (82) | 160 (39) | 250 (61) |
| Gender, n (%) | |||
| Male | 301 (60) | 125 (41.5) | 176 (58.5) |
| Clinical stage, n (%) | |||
| Early | 111 (22) | 75 (67.6) | 36 (32.4) |
| Locally advanced | 161 (32) | 71 (44.1) | 90 (55.9) |
| Metastatic | 145 (29) | 24 (16.5) | 121 (83.5) |
| No data | 83 (17) | 32 (38.5) | 51 (61.5) |
| Lauren classification, n (%) | |||
| Intestinal | 345 (69) | 155 (44.9) | 190 (55.1) |
| Diffuse | 155 (31) | 47 (30.3) | 108 (69.7) |
| Location, n (%) | |||
| Proximal | 74 (15) | 27 (36.5) | 47 (63.5) |
| Distal | 426 (85) | 175 (41.1) | 251 (58.9) |
| Positive H. pylori test, n (%) | |||
| Yes | 43 (9) | 22 (51.2) | 21 (48.8) |
| No | 457 (91) | 180 (39.4) | 277 (60.6) |
| Gastrectomy, n (%) | |||
| No | 190 (38) | 45 (23.7) | 145 (76.3) |
| Subtotal | 154 (31) | 83 (53.9) | 71 (46.1) |
| Total | 156 (31) | 74 (47.4) | 82 (52.6) |
| Lymphadenectomy | |||
| No | 176 (35) | 41 (23.3) | 135 (76.7) |
| D1 | 70 (14) | 46 (65.7) | 24 (34.3) |
| D2 | 233 (47) | 104 (44.6) | 129 (55.4) |
| No data | 21 (4) | 11 (52.4) | 10 (47.6) |
| Chemotherapy, n (%) | |||
| No | 297 (59) | 121 (40.7) | 176 (59.3) |
| Adjuvant | 140 (28) | 63 (45) | 77 (55) |
| Neoadjuvant | 18 (4) | 7 (38.9) | 11 (61.1) |
| Palliative | 45 (9) | 11 (24.4) | 34 (75.6) |