Research Article
Proposed Models for Prediction of Mortality in Stage-I and Stage-II Gastric Cancer and 5 Years after Radical Gastrectomy
Table 1
Baseline characteristics of the patient in Groups A and B.
| | Characteristics | Group A (n = 315) | Group B (n = 440) |
| | Sex | | Male | 238 (75.6) | 335 (76.1) | | Female | 77 (24.4) | 105 (23.9) |
| | Age (years) | | ≤60 | 160 (50.8) | 257 (58.4) | | >60 | 155 (49.2) | 183 (41.6) |
| | BMI | | ≤21.92 | 145 (46.0) | 168 (38.2) | | >21.92 | 119 (37.8) | 272 (61.8) | | Unknown | 51 (16.2) | 0 |
| | Borrmann type | | 0 | 20 (6.3) | 60 (13.6) | | 1 | 14 (4.4) | 23 (5.2) | | 2 | 75 (23.8) | 128 (29.1) | | 3 | 194 (61.6) | 210 (47.7) | | 4 | 12 (3.8) | 19 (4.3) |
| | Tumor location | | Upper third | 31 (9.8) | 46 (10.5) | | Middle third | 57 (18.1) | 53 (12.0) | | Lower and entire third | 227 (72.1) | 341 (77.5) |
| | Tumor diameter (mm) | | ≤50 | 232 (73.7) | 337 (76.6) | | >50 | 83 (26.3) | 103 (23.4) |
| | Scope of gastrectomy | | Proximal gastrectomy | 27 (8.6) | 39 (8.9) | | Distal gastrectomy | 232 (73.7) | 342 (77.7) | | Total gastrectomy | 56 (17.8) | 59 (13.4) |
| | Lymph node metastasis rate (%) | | 0 | 153 (48.6) | 326 (74.1) | | >0 to ≤0.3 | 114 (36.2) | 108 (24.5) | | >0.3 to ≤1.0 | 48 (15.2) | 6 (1.4) |
| | pTNM stagea | | I | 91 (28.9) | 160 (36.4) | | II | 103 (32.7) | 280 (63.6) | | III | 121 (38.4) | — |
| | Histological type | | Well and moderately differentiated | 121 (38.4) | 208 (47.3) | | Poorly differentiated | 168 (53.3) | 180 (40.9) | | Others | 26 (8.3) | 52 (11.8) |
| | H. pylori infection | | Negative | 43 (13.7) | 46 (10.5) | | Positive | 60 (19.0) | 72 (16.4) | | Unknown | 212 (67.3) | 322 (73.2) |
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aBased on the eighth edition of the AJCC Cancer Staging Manual of the American Joint Committee on Cancer.
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