Table 2.
Intraoperative and postoperative outcomes before and after propensity score matching analysis
| Before propensity score matching | After propensity score matching | |||||
|---|---|---|---|---|---|---|
| ODG | LDG | p | ODG | LDG | p | |
| n = 45 | n = 46 | n = 34 | n = 34 | |||
| Operative time (min, mean ± SD) | 199.8 ± 61.6 | 247.3 ± 50.7 | < 0.001 | 197.2 ± 66.4 | 257.2 ± 46.3 | < 0.001 |
| Conversion (n, %) | 5 (10.8%) | 5 (14,7) | ||||
| Blood loss | 200.1 ± 259.0 | 153.8 ± 256.2 | 0.184 | 180.3 ± 165.3 | 140.8 ± 170.9 | 0.217 |
| Time to bowel canalization (days, mean ± SD) | 5.8 ± 1.8 | 3.9 ± 1.3 | < 0.001 | 5.6 ± 1.5 | 4.1 ± 1.5 | < 0.001 |
| Time to soft oral intake (days, mean ± SD) | 7.5 ± 4.4 | 4.7 ± 1.4 | < 0.001 | 7.5 ± 4.8 | 4.8 ± 1.5 | < 0.001 |
| Length of stay (days, mean ± SD) | 15.2 ± 12.6 | 11.6 ± 8.9 | 0.073 | 15.8 ± 13.7 | 11.8 ± 8.3 | 0.120 |
| Peri-operative complication (n pts, %) | 16 (35.6%) | 8 (17.4%) | 0.084 | 10 (29.4%) | 5 (14.7%) | 0.144 |
| Clavien-Dindo classification (n pts, %) | ||||||
| I–II | 9 (20.0%) | 5 (10.9%) | 0.227 | 5 (14.7%) | 5 (14.7%) | 1.000 |
| III–IV | 7 (15.6%) | 3 (6.5%) | 0.168 | 6 (17.6%) | 2 (5.9%) | 0.132 |
| Postoperative complication (n, %) | ||||||
| Anastomotic leakage | 1 (2.2%) | 2 (4.3%) | 0.984 | 1 (2.9%) | 1 (2.9%) | 0.473 |
| Duodenal leakage | 4 (8.9%) | 1 (2.2%) | 0.344 | 3 (8.8%) | 2 (5.9%) | 0.642 |
| Bleeding | 2 (4.4%) | 1 (2.2%) | 0.984 | 1 (2.9%) | 1 (2.9%) | 0.473 |
| Canalization delay | 4 (8.9%) | 0 (0.0%) | 0.056 | 2 (5.9%) | 2 (5.9%) | 0.606 |
| Cardiovascular | 1 (2.2%) | 0 (0.0%) | 0.494 | 1 (2.9%) | 0 (0.0%) | 0.500 |
| Pulmonary | 3 (6.7%) | 1 (2.2%) | 0.593 | 2 (5.9%) | 0 (0.0%) | 0.119 |
| Urinary | 0 (0.0%) | 1 (2.2%) | 0.505 | 0 (0.0%) | 2 (5.9%) | 0.119 |
| Other | 2 (4.4%) | 2 (4.4%) | 0.624 | 2 (5.9%) | 2 (5.9%) | 0.606 |
| Re-operation (n, %) | 7 (15.6%) | 2 (4.3%) | 0.073 | 6 (17.6%) | 2 (5.9%) | 0.132 |
| Mortality (n, %) | 0 (0.0%) | 1 (2.2%) | 0.320 | 0 (0.0%) | 1 (2.9%) | 0.314 |