Table 4 Perioperative outcomes of right and left colectomy after propensity score matching
2:1 Matched right colectomy dataset | 2:1 Matched left colectomy dataset | |||||
|---|---|---|---|---|---|---|
Laparoscopic Right colectomy | Robotic Right colectomy | P value | Laparoscopic Left colectomy | Robotic Left colectomy | P value | |
Sample size | 4704 | 2352 | 6246 | 3123 | ||
Operative time, median [IQR], minutes | 134 [104–176] | 183 [146–229] | < 0.001* | 154 [117–206] | 202 [160–259] | < 0.001* |
Lymph nodes evaluated, mean (SD) | 22.57 (10) | 23.84 (11) | < 0.001* | 21.03 (10) | 21.70 (11) | < 0.001* |
Bleeding transfusion occurence | 392 (8.3) | 188 (8.0) | 0.569 | 382 (6.1) | 179 (5.7) | 0.385 |
Conversion to open | 399 (8.5) | 97 (4.1) | < 0.001* | 551 (8.8) | 161 (5.2) | < 0.001* |
Postoperative ileus | 546 (11.6) | 211 (9.0) | < 0.001* | 539 (8.6) | 248 (7.9) | 0.170 |
Anastomotic leak | 87 (1.8) | 44 (1.9) | 1 | 113 (1.8) | 65 (2.1) | 0.301 |
Textbook outcome | 3012 (64) | 1672 (71) | < 0.001* | 4254 (68.1) | 2331 (74.6) | < 0.001* |
Any complication | 779 (16.6) | 375 (15.9) | 0.428 | 870 (13.9) | 398 (12.7) | 0.055 |
Major morbidity (> 2 Clavien-Dindo grade) | 296 (6.3) | 154 (6.5) | 0.638 | 358 (5.7) | 173 (5.5) | 0.671 |
Length of hospital stay, mean (SD), days | 4.7 (3.8) | 4.0 (3.4) | < 0.001* | 4.6 (3.8) | 4.0 (3.5) | < 0.001* |
30-day readmission | 396 (8.4) | 197 (8.4) | 0.970 | 435 (7) | 223 (7.1) | 0.729 |
30-day mortality | 45 (1) | 16 (0.7) | 0.171 | 48 (0.80) | 29 (0.9) | 0.378 |