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Postoperative outcomes in the S and Xi groups.
| S group (n = 40) | Xi group (n = 46) | P value | |
| Postoperative hospital stay, days (range) | 3.75 (2–7) | 3.41 (2–7) | .114 |
| Number of sacrificed PTG, n ± SD | 0.35 ± 0.53 | 0.41 ± 0.50 | .574 |
| Postoperative complications, n (%) | 5 (12.5) | 3 (6.5) | .464 |
| Flap necrosis | 0 (0.0) | 0 (0.0) | |
| Transient RLN palsy | 1 (2.5) | 0 (0.0) | |
| Permanent RLN palsy | 0 (0.0) | 0 (0.0) | |
| Hematoma | 1 (2.5) | 0 (0.0) | |
| Seroma | 2 (5.0) | 3 (6.5) | |
| Chylous drainage | 1 (2.5) | 0 (0.0) |
