TABLE 3.
Clinical factors combined with risk factors for analysis of the overall survival of patients with gastric cancer.
| Group | Risk | Variable | Events/total (n = 368) | MST (days) | HR (95%CI) | p Value | Adjusted HR (95%CI) a | Adjusted P |
| — | — | Tumor stage | — | — | — | — | — | — |
| 1 | Low | I + II | 5/23 | NA | 1 | — | 1 | — |
| 2 | Low | III + IV | 10/31 | 2,100 | 1.291 (0.436–3.819) | 0.644 | 1.041 (0.335–3.237) | 0.945 |
| 3 | High | I + II | 8/19 | 1811 | 1.909 (0.618–5.898) | 0.261 | 2.165 (0.685–6.840) | 0.188 |
| 4 | High | III + IV | 22/34 | 406 | 5.004 (1.879–13.328) | 0.001 | 5.088 (1.875–13.809) | 0.001 |
| — | — | Histologic grade | — | — | — | — | — | — |
| A | Low | G1+G2 | 7/16 | 881 | 1 | — | 1 | — |
| B | Low | G3 | 8/38 | NA | 0.543 (0.197–1.498) | 0.238 | 0.575 (0.204–1.623) | 0.296 |
| C | High | G1+G2 | 7/13 | 552 | 2.429 (0.843–6.996) | 0.100 | 2.833 (0.971–8.267) | 0.057 |
| D | High | G3 | 23/40 | 474 | 1.938 (0.829–4.534) | 0.127 | 2.598 (1.061–6.361) | 0.037 |
| — | — | Residual tumor | — | — | — | — | — | — |
| I | Low | R0 | 12/49 | 2,100 | 1 | — | 1 | — |
| II | Low | R1+R2+RX | 3/5 | 591 | 2.623 (0.733–9.388) | 0.138 | 1.729 (0.467–6.403) | 0.412 |
| III | High | R0 | 26/48 | 543 | 3.108 (1.561–6.188) | 0.001 | 3.486 (1.733–7.013) | <0.001 |
| IV | High | R1+R2+RX | 4/5 | 262 | 8.239 (2.578–26.332) | <0.001 | 10.832 (3.229–36.34) | <0.001 |
a
Adjusted for age, tumor stage, histologic stage and residual tumor
Abbreviations: MST, median survival time; HR, hazard ratio