Table 2 Comparison of surgical outcomes between the two phases
From: Gasless robot-assisted transaxillary hemithyroidectomy (RATH): learning curve and complications
Characteristic | RATH (range, %) (N = 105) | CH (range, %) (N = 104) | P-value |
|---|---|---|---|
Operative time (min) | 125.4 ± 28.7 (79–215) | 49.4 ± 16.5 (23–110) | 0.000 |
Drainage amount for 48 h (mL) | 154.7 ± 42.9 (90–410) | 95.3 ± 30.1 (15–160) | 0.000 |
Retrieved lymph node | 3.3 ± 2.7 (0–12) | 4.4 ± 3.4 (0–19) | 0.009 |
Lymph node metastatic | 32 (30.5) | 33 (31.7) | 0.845 |
Postoperative calcium (mmol/L) | 2.09 ± 0.08 (1.87–2.27) | 2.11 ± 0.09 (1.85–2.39) | 0.018 |
Low postoperative calcium (< 2.0 mmol/L) | 13 (12.4) | 8 (7.7) | 0.260 |
Postoperative PTH (pg/mL) | 31.1 ± 9.5 (10.3–68.6) | 27.4 ± 10.0 (3.3–53.0) | 0.006 |
Low Postoperative PTH (< 15 pg/mL) | 3 (2.9) | 7 (6.7) | 0.190 |
Permanent hypocalcemia | 0 (0.0) | 0 (0.0) | - |
Vocal cord palsy | |||
Transient | 11 (10.5) | 8 (7.7) | 0.484 |
Permanent | 1 (0.95) | 0 (0.0) | 1.000 |
Hematoma (reoperation) | 1 (0.95) | 0 (0.0) | 1.000 |
Trachea injury | 1 (0.95) | 0 (0.0) | 1.000 |
Wound seroma | 0 (0.0) | 1 (0.96) | 0.498 |
Chyle fistula (observation) | 0 (0.0) | 0 (0.0) | - |
Wound infection | 1 (0.95) | 0 (0.0) | 1.000 |
Brachial plexus neuropraxia | 0 (0.0) | - | - |