Table 1.
Baseline and clinical characteristics of the study population, AJCC
| Characteristics | MBP + AB | MBP − AB | p value |
|---|---|---|---|
| N | 125 | 371 | |
| Sex | |||
| Female | 69 (55.2%) | 148 (39.9%) | 0.03 |
| Male | 56 (44.8%) | 223 (60.1%) | |
| Median age | 73.0 years | 70.0 years | 0.10 |
| Range | 21–91 years | 31–92 years | |
| Location | |||
| Right colon | 62 (49.6%) | 138 (37.2%) | 0.06 |
| Left colon | 34 (27.2%) | 94 (25.3%) | |
| Rectum | 29 (22.2%) | 139 (37.5%) | |
| AJCC tumor stage (pT) | |||
| 1 | 11 (8.80%) | 42 (11.3%) | p > 0.05 |
| 2 | 24 (19.2%) | 81 (21.8%) | |
| 3 | 70 (56.0%) | 191 (51.5%) | |
| 4 | 20 (16.0%) | 57 (15.4%) | |
| AJCC nodal stage (pN) | |||
| 0 | 79 (63.2%) | 211 (56.9%) | p > 0.05 |
| 1 | 29 (23.2%) | 105 (28.3%) | |
| 2 | 17 (13.6%) | 55 (14.8%) | |
| UICC | |||
| I | 28 (22.4%) | 96 (25.8%) | p > 0.05 |
| II | 47 (37.6%) | 106 (28.6%) | |
| III | 33 (26.4%) | 103 (27.8%) | |
| IV | 17 (13.6%) | 66 (17.8%) | |