Table 2.
Relationship between the CBCS and clinicopathological characteristics in patients undergoing potentially curative resection for gastric cancer
| Clinicopathological features | CBCS | P value | ||
|---|---|---|---|---|
| 0 | 1 | 2 | ||
| Case | 824 | 673 | 313 | |
| Age, median (IQR) | 59 | 63 | 66 | < 0.001 |
| Sex | < 0.001 | |||
| Male | 668 (81.1%) | 474 (70.4%) | 232 (74.1%) | |
| Female | 156 (18.9%) | 199 (29.6%) | 81 (25.9%) | |
| BMI, median, (IQR) | 22.3 | 21.9 | 21.8 | 0.468 |
| ASA score | < 0.001 | |||
| 1 | 578 (70.1%) | 399 (59.3%) | 149 (47.6%) | |
| 2 | 238 (28.9%) | 244 (36.3%) | 144 (46.0%) | |
| 3 | 8 (1.0%) | 30 (4.5%) | 20 (6.4%) | |
| Tumor location | 0.001 | |||
| Upper | 195 (23.7%) | 176 (26.2%) | 70 (22.4%) | |
| Middle | 119 (14.4%) | 124 (18.4%) | 77 (24.6%) | |
| Lower | 405 (49.2%) | 290 (43.1%) | 120 (38.3%) | |
| Mixed | 105 (12.7%) | 83 (12.3%) | 46 (14.7%) | |
| Tumor size (cm), median (IQR) | 4.0 | 4.5 | 5.0 | < 0.001 |
| Histologic type | 0.725 | |||
| Differentiated | 159 (19.3%) | 141 (21.0%) | 62 (19.8%) | |
| Undifferentiated | 665 (80.7%) | 532 (79.0%) | 251 (80.2%) | |
| Vascular invasion | < 0.001 | |||
| Negative | 675 (81.9%) | 513 (76.2%) | 218 (69.6%) | |
| Positive | 149 (18.1%) | 160 (23.8%) | 95 (30.4%) | |
| Perineural invasion | 0.219 | |||
| Negative | 707 (85.8%) | 575 (85.4%) | 256 (81.8%) | |
| Positive | 117 (14.2%) | 98 (14.6%) | 57 (18.2%) | |
| pTNM stage | < 0.001 | |||
| I | 323 (39.2%) | 148 (22.0%) | 44 (14.1%) | |
| II | 179 (21.7%) | 174 (25.9%) | 80 (25.6%) | |
| III | 322 (39.1%) | 351 (52.2%) | 189 (60.4%) | |