Table 4 Descriptive statistics of patients by the last observation status
From: A novel dynamic Bayesian network approach for data mining and survival data analysis
Variable | Overall, N = 760 | Death, N = 573 | Survivor, N = 187 | P-valuea |
|---|---|---|---|---|
n (%) | n (%) | n (%) | ||
Pathology | 0.053 | |||
 Adeno | 672 (88) | 514 (77) | 158 (24) |  |
 Other | 88 (12) | 59 (67) | 29 (33) |  |
Surgery | 0.257 | |||
 Total gastrectomy | 403 (53) | 306 (76) | 97 (24) |  |
 Subtotal gastrectomy | 194 (26) | 142 (73) | 52 (27) |  |
 Distal gastrectomy | 32 (4.2) | 20 (63) | 12 (38) |  |
 Partial gastrectomy | 59 (7.8) | 46 (78) | 13 (22) |  |
 Proximal gastrectomy | 72 (9.5) | 59 (82) | 13 (18) |  |
Age | < 0.001 | |||
 < 61 | 184 (24) | 106 (58) | 78 (42) |  |
 61–70 | 363 (48) | 266 (73) | 97 (27) |  |
 > 70 | 213 (28) | 201 (94) | 12 (6) |  |
Sex | 0.957 | |||
 Female | 241 (32) | 182 (75) | 59 (25) |  |
 Male | 519 (68) | 391 (75) | 128 (25) |  |
Smoking | 0.759 | |||
 Non-smoker | 523 (69) | 396 (76) | 127 (24) |  |
 Smoker | 237 (31) | 177 (75) | 60 (25) |  |
Site | 0.102 | |||
 Cardia | 341 (45) | 263 (77) | 78 (23) |  |
 Antrum | 150 (20) | 103 (69) | 47 (31) |  |
 Other | 269 (35) | 207 (77) | 62 (23) |  |
Metastasis | < 0.001 | |||
 Non-Metastasis | 321 (42) | 208 (65) | 113 (35) |  |
 Metastasis | 439 (58) | 365 (83) | 74 (17) |  |
Stage | < 0.001 | |||
 I | 61 (8.0) | 31 (51) | 30 (49) |  |
 II | 265 (35) | 182 (69) | 83 (31) |  |
 III | 295 (39) | 237 (80) | 58 (20) |  |
 IV | 139 (18) | 123 (89) | 16 (12) |  |