Table 1.
Demographic characteristic of patients who received monitored thyroidectomy.
| Total 1021 Cases | Group A | Group B | Group C | p Value |
|---|---|---|---|---|
| Number (%) | 940 (92.1) | 52 (5.1) | 29 (2.8) | |
| Age (mean ± SD) | 50.9 ± 13.3 | 52.2 ± 14.1 | 52.1 ± 10.4 | 0.377 |
| Gender | 0.968 | |||
| Male (%) | 206 (21.9) | 12 (23.1) | 6 (20.7) | |
| Female (%) | 734 (78.1) | 40 (76.9) | 23 (79.3) | |
| Surgical extent | 0.004 | |||
| Unilateral (%) | 254 (27.0) | 8 (15.4) | 1 (3.4) | |
| Bilateral (%) | 686 (73.0) | 44 (84.6) | 28 (96.6) | |
| Pathology | 0.017 | |||
| Benign (%) | 610 (64.9) | 27 (51.9) | 13 (44.8) | |
| Graves’ disease | 37 | 4 | 3 | |
| Benign intrathoracic goiter | 58 | 6 | 3 | |
| Malignant (%) | 330 (35.1) | 25 (48.1) | 16 (55.2) | |
| Neck dissection | <0.001 | |||
| Without CND or LND (%) | 782 (83.2) | 36 (69.3) | 13 (44.8) | |
| With CND, without LND (%) | 136 (14.5) | 10 (19.2) | 13 (44.8) | |
| With CND and LND (%) | 22 (2.3) | 6 (11.5) | 3 (10.4) | |
| Injury mechanism and type | 1626 NAR | 96 NAR | 57 NAR | 0.006 |
| Mechanical | 0 NAR | 51 NAR | 22 NAR | |
| Type 1 | - | 43 NAR | 17 NAR | |
| Type 2 | - | 8 NAR | 5 NAR | |
| Thermal | 0 NAR | 1 NAR | 7 NAR | |
| Vocal fold motion | <0.001 | |||
| Asymmetric during Period-III | 0 (0.0) | 13 (25.0) | 27 (93.1) | |
| Asymmetric during Period-IV | 0 (0.0) | 4 (7.7) | 18 (62.1) |
Abbreviations: SD = standard deviation; CND = central neck dissection; LND = lateral neck dissection; NAR = nerves at risk. Period-III = Short-term postoperative period (range of 7–30 days); Period-IV = Long-term postoperative period (range of 30–90 days). p value <0.05, showed significant difference.