Table 2.
Comparison of surgical outcomes of patients with low transverse lateral incision and hockey stick incision
| Parameter | Transverse Incision group n = 62 | Hockey stick Incision group n = 35 | P value |
|---|---|---|---|
| Total thyroidectomy | 62 (100%) | 35 (100%) | NA |
| Central neck dissection | .604 | ||
| Unilateral | 5 (8.1%) | 3 (8.6%) | |
| Bilateral | 57 (91.9%) | 32 (91.4%) | |
| Lateral selective neck dissection | .132 | ||
| Level II, III, IV, V | 44 (71.0%) | 29 (82.9%) | |
| Level II, III, IV | 11 (17.7%) | 5 (14.6%) | |
| Level III, IV, V | 7 (11.3%) | 1 (2.9%) | |
| Total operative time (min) | 273 ± 79 | 270 ± 90 | .849 |
| SND (II–V) | 276 ± 94 | 290 ± 83 | .504 |
| SND (II–IV)/SND (III–V) | 230 ± 48 | 239 ± 65 | .746 |
| Amount of drainage (mL) | 386 ± 215 | 410 ± 233 | .632 |
| Complication | |||
| Hypoparathyroidism | .916 | ||
| Transient | 24/62 (38.7%) | 13/35 (37.1%) | |
| Permanent | 1/62 (1.6%) | 1/35 (2.9%) | |
| Vocal cord paralysis | .619 | ||
| Transient | 6/62 (9.7%) | 4/35 (11.4%) | |
| Permanent | 1/62 (1.6%) | 0/35 (0%) | |
| Hematoma | 3/62 (4.8%) | 2/35 (5.7%) | .597 |
| Seroma | 2/62 (3.2%) | 2/35 (5.7%) | .618 |
| Chyle leakage | 2/62 (3.2%) | 0/35 (0%) | .534 |
| Spinal accessory nerve injury | 0 | 0 | NA |
| Horner syndrome | 0 | 0 | NA |
| Brachial plexus injury | 0 | 0 | NA |
| Phrenic nerve injury | 0 | 0 | NA |
| Wound infection | 0 | 2/35 (3.2%) | .534 |
| Skin necrosis | 0 | 0 | NA |
| Follow-up period (month) | 60.6 ± 26.3 | 58.0 ± 24.9 | .640 |
| RAI ablation | 60/62 (96.8%) | 31/35 (88.6%) | .184 |
| Dose of RAI ablation (mCi) | 153.4 ± 32.7 | 161.1 ± 34.1 | .344 |
| Stimulated Tg at the first RAI (ng/ml) | 7.35 ± 12.0 | 6.78 ± 9.70 | .820 |
| Stimulated Tg at diagnostic WBS after RAI (ng/ml) | 1.02 ± 1.62 | 1.15 ± 2.25 | .741 |
| Uptake outside thyroid bed at WBS after RAI | 0/60 | 1/31 (3.2%) | .340 |
Values in the table are mean ± SD, unless indicated otherwise
SND selective neck dissection, NA not applicable, RAI radioactive iodine, Tg thyroglobulin, WBS 131I whole-body scan, SD standard deviation