Table 5.
Perioperative and short-term outcomes of patients treated with and without nCRT.
| Before propensity score matching | After propensity score matching | |||||
|---|---|---|---|---|---|---|
| Open (n = 147) |
MIS (n = 166) |
p | Open (n = 118) |
MIS (n = 118) |
p | |
| MIS approach | – | – | – | – | ||
| Laparoscopic surgery | – | 130 (78.3) | – | – | 92 (78.0) | – |
| Robotic surgery | – | 36 (21.7) | – | – | 26 (22.0) | – |
| Operation time (minutes) | 194 ± 67 | 237 ± 67 | < 0.001 | 198 ± 71 | 238 ± 66 | < 0.001 |
| Stoma formation, n (%) | 105 (71.4) | 150 (90.4) | < 0.001 | 84 (71.2) | 110 (93.2) | < 0.001 |
| Transfusion, n (%) | 9 (6.1) | 2 (1.2) | 0.018 | 9 (7.6) | 2 (1.7) | 0.031 |
| Open conversion, n (%) | – | 2 (1.2) | – | – | 2 (1.7) | – |
| Readmission, n (%) | 10 (6.8) | 16 (9.6) | 0.364 | 6 (5.1) | 9 (7.6) | 0.423 |
| Postoperative morbidity | 41 (27.9) | 47 (28.3) | 0.934 | 31 (26.3) | 32 (27.1) | 0.883 |
| Surgical site infection | 16 (10.9) | 2 (1.2) | < 0.001 | 12 (10.2) | 1 (0.8) | 0.002 |
| Postoperative ileus | 17 (11.6) | 11 (6.6) | 0.127 | 11 (9.3) | 6 (5.1) | 0.208 |
| Anastomosis site leakage | 2 (1.4) | 2 (1.2) | 1.000 | 1 (0.8) | 1 (0.8) | 1.000 |
| Rectovaginal fistula | 2 (1.4) | 2 (1.2) | 1.000 | 1 (0.8) | 0 (0.0) | 0.500 |
| Intra-abdominal abscess | 2 (1.4) | 2 (1.2) | 1.000 | 0 (0.0) | 0 (0.0) | 1.000 |
| Urinary retention | 7 (4.8) | 16 (9.6) | 0.099 | 6 (5.1) | 14 (11.9) | 0.062 |
| Postoperative mortality (< POD30) | 0 (0.0) | 0 (0.0) | 1.000 | 0 (0.0) | 0 (0.0) | 1.000 |
| Length of stay (days) | 11.8 ± 4.9 | 9.6 ± 3.5 | < 0.001 | 11.8 ± 4.9 | 9.5 ± 3.4 | < 0.001 |
| Time to diet (days) | 2.1 ± 0.8 | 2.2 ± 0.6 | 0.433 | 2.5 ± 1.0 | 2.1 ± 0.5 | < 0.001 |
| Flatus passage (days) | 2.5 ± 1.3 | 1.7 ± 0.9 | 0.070 | 2.9 ± 0.7 | 2.4 ± 1.1 | < 0.001 |
nCRT neoadjuvant chemoradiotherapy, MIS minimally invasive surgery.