From: Application of Weibull model for survival of patients with gastric cancer
Factors | Categories | No. of patients (%) | P value |
---|---|---|---|
Gender | Female | 465(27.1) | 0.301 |
 | Male | 1250(72.9) |  |
age |  | 57.5 ± 10.9 | <0.001 |
Past medical history | No | 1258(73.4) | 0.022 |
 | Yes | 457(26.6) |  |
Family history of gastric cancer | No | 1431(83.4) | 0.431 |
 | Yes | 284(16.6) |  |
Location of tumor | Lower third | 1086(63.3) | <0.001 |
 | Middle third | 281(16.4) |  |
 | Upper third | 193(11.3) |  |
 | Whole stomach | 155(9.03) |  |
Eradicative degree of surgery | Utterly | 809(47.8) | <0.001 |
 | Relatively | 473(27.6) |  |
 | Palliative | 433(25.2) |  |
Tumor size(mm) | <40 | 364(21.2) | <0.001 |
 | ≥40 | 1315(78.8) |  |
Stage | I | 301(17.5) | <0.001 |
 | II | 425(24.8) |  |
 | III | 497(29.0) |  |
 | IV | 492(28.7) |  |
Combined evisceration | No | 1323(77.1) | <0.001 |
 | Yes | 392(22.9) |  |
Histologic grade | Well differentiated | 521(30.3) | <0.001 |
 | Moderately differentiated | 253(14.8) |  |
 | Poorly differentiated | 941(54.9) |  |
Depth of invasion | T1 | 145(8.5) | <0.001 |
 | T2 | 879(51.3) |  |
 | T3 | 549(32.0) |  |
 | T4 | 142(8.3) |  |
Lymph node status | N0 | 629(36.7) | <0.001 |
 | N1 | 717(41.8) |  |
 | N2 | 272(15.9) |  |
 | N3 | 97(5.7) |  |