Table 1.
Clinical and surgical characteristics of included patients following propensity score-matching (N=84).
| Variables | TOETVA (n=28) | COT (n=56) | P |
|---|---|---|---|
| Sex | 1.000 | ||
| Male | 1 | 2 | |
| Female | 27 | 54 | |
| Age (years) | 36.57 ± 8.03 | 39.66 ± 8.67 | 0.119 |
| Hashimoto’s thyroiditis | 0.874 | ||
| Yes | 11 | 21 | |
| No | 17 | 35 | |
| Diameter of the largest tumor (cm) | 1.04 ± 0.55 | 0.95 ± 0.56 | 0.467 |
| Thyroid capsule invasion | 0.620 | ||
| Yes | 20 | 37 | |
| No | 8 | 19 | |
| Tumor multifocality in the same lobe | 0.278 | ||
| Yes | 13 | 33 | |
| No | 15 | 23 | |
| Tumor location | 0.430 | ||
| Isthmus | 1 | 0 | |
| Left | 2 | 5 | |
| Right | 3 | 10 | |
| Both | 22 | 41 | |
| Operation time (min) | 190.54 ± 28.26 | 123.93 ± 29.78 | <0.001 |
| Postoperative hospital stay (d) | 2.21 ± 1.34 | 1.88 ± 0.94 | 0.181 |
| Postoperative drainage volume (ml) | 161.07 ± 225.30 | 71.16 ± 28.56 | 0.045 |
TOETVA, transoral endoscopic thyroidectomy vestibular approach; COT, conventional open thyroidectomy.