| Sex |
| Male | 19 | 18.6 |
| Female | 83 | 81.4 |
| Age, years | 54.53 ± 13.1 |
| Average duration of goiter, years | 5 (1;40) |
| Clinical symptom |
| Dyspnea when lying down | 17 | 16.7 |
| Dysphagia | 22 | 21.6 |
| Coughing | 4 | 3.9 |
| Degree of goiter |
| Degree 1 | 1 | 0.9 |
| Degree 2 | 1 | 0.9 |
| Degree 3 | 85 | 83.3 |
| Degree 4 | 15 | 14.9 |
| Images of CT scan |
| Weight of mass (gram)* | 270 (76;810) |
| Diameter of narrow airway (mm) | 8.44 ± 2.43 |
| Goiter plangent | 50 | 49 |
| Length of stenosis area (mm) | 18.13 ± 6.5 |
| Postoperative complication |
| Tracheomalacia | 5 | 4.9 |
| Hoarseness | 7 | 6.9 |
| Numb hand | 16 | 15.7 |