Table 2.
Follow-up examination.
| MIVAT | Conventional thyroidectomy | P-value | |
| Patients (n) | 117 | 102 | |
| Mean postoperative follow up, months (95% CI) | 23.1(20.3–26.0) | 23.6(22.7–24.5) | 0.096 |
| Range (months) | 1–64 | 5–43 | |
| Mean scar length, mm (95% CI) | 19.7 (18.9–20.4) | 39.7 (37.5–41.9) | |
| Range (mm) | 10–32 | 20–78 | |
| Mean scar width, mm (95% CI) | 1.7 (1.4–2.1) | 1.4 (1.2–1.6) | 0.587 |
| Range | 0.5–15 | 0.5–5 | |
| Keloids, n (%) | 13 (11.1%) | 7 (7.1%) | 0.391 |
| Female, n (%) | 12 (92.3%) | 7 (100%) | |
| Mean age, years (95% CI) | 39.5 (33.4–45.6) | 49.6 (31.3–67.9) | |
| Range (years) | 19–49 | 28–75 | |
| Male, n (%) | 1 (7.7) | 0 | |
| POSAS score: | |||
| OSAS, mean score (95% CI) | 8.6 (8.0–9.4) | 9.9 (9.0–10.9) | 0.011 |
| Range | 5–25 | 5–34 | |
| PSAS, mean score (95% CI) | 10.4 (9.3–11.5) | 9.9 (8.7–11.1) | 0.691 |
| Range | 6–37 | 6–43 |
CI, confidence interval; MIVAT, minimally invasive video-assisted thyroidectomy. OSAS, observer scar assessment scale; POSAS, patient and observer scar assessment scale; PSAS, patient scar assessment scale.