| Variables | OT group n = 20 (%) | ET via ABS group n = 20 (%) | p-value |
| Age (mean ± SD), y | 55.4 ± 13.5 | 44.1 ± 8.5 | 0.015 |
| Sex |
|
|
|
| Male | 4 (20) | 0 | 0.106 |
| Female | 16 (80) | 20 (100) | |
| Nodular size (cm) | 3.5 ± 1.8 | 2.7 ± 0.7 | 0.112 |
| Cytological reports |
|
|
|
| Colloid | 9 (45) | 7 (35) | 9.469 |
| Goiter | 4 (20) | 7 (35) | |
| Adenomatoid nodule | 5 (25) | 6 (30) | |
| Suspicious PTC | 2 (10) | 0 | |
| Pathological reports |
|
|
|
| Goiter | 10 (50) | 9 (45) | 0.923 |
| Adenomatoid nodule | 4 (20) | 5 (25) | |
| Follicular neoplasm | 2 (10) | 1 (5) | |
| PTC | 2 (10) | 4 (20) | |
| FTC | 1 (5) | 1 (5) | |
| HTC | 1 (5) | 0 |