Table 1.
Patient characteristics before propensity score matching.
| IA (n=131) | EA (n=152) | P | |
|---|---|---|---|
| Age, yearsa | 71 (22–90) | 72 (31–90) | 0.18 |
| Male, n (%) | 70 (53.4) | 76 (50.0) | 0.63 |
| BMI, kg/m2 a | 23.5 (16.2–31.5) | 22.3 (14.8–33.9) | 0.01 |
| ASA score, n (%) | 0.47 | ||
| 1 | 19 (14.5) | 28 (18.4) | |
| 2 | 107 (81.7) | 115 (75.7) | |
| 3 | 5 (3.8) | 9 (5.9) | |
| Previous abdominal surgery, n (%) | 41 (31.3) | 53 (34.9) | 0.53 |
| Tumour site, n (%) | 0.50 | ||
| Appendix | 1 (0.8) | 5 (3.3) | |
| Caecum | 28 (21.4) | 36 (23.7) | |
| Ascending colon | 58 (44.3) | 62 (40.8) | |
| Transverse colon | 32 (24.4) | 40 (26.3) | |
| Descending colon | 12 (9.2) | 9 (5.9) | |
| Preoperative UICC Stage, 8th ed, n (%) | 0.30 | ||
| In situ/benign | 5 (3.8) | 7 (4.6) | |
| I | 62 (47.3) | 66 (43.4) | |
| II | 36 (27.5) | 39 (25.7) | |
| III | 23 (17.6) | 24 (15.8) | |
| IV | 5 (3.8) | 16 (10.5) |
a
Median (range).
ASA, American Society of Anesthesiologists; EA, extracorporeal anastomosis; IA, intracorporeal anastomosis; UICC, Union for International Cancer Control.