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Comparison of surgical outcomes between the drain and no drain groups in the matched cohort
| Drain (n = 145) | No drain (n = 145) | P value | |
|---|---|---|---|
| Postoperative complications ≥grade II*, n (%) | 28 (19.3) | 16 (11.0) | 0.071 |
| Postoperative complications ≥grade III*, n (%) | 8 (5.5) | 3 (2.1) | 0.218 |
| Initiation of soft diet, mean ± SD, days | 6.3 ± 7.4 | 4.9 ± 2.9 | 0.036 |
| Postoperative hospital stay, mean ± SD, days | 15.7 ± 12.9 | 13.0 ± 6.3 | 0.023 |
*Clavien–Dindo classification
