Fig. 3.

Postoperative functional outcome [GRBAS scale, Voice Handicap Index (VHI)], easy fatigue during phonation, difficulty with high pitch and singing voice, hypoesthesia or paraesthesia in the neck or anterior chest wall, and swallowing difficulty were analyzed at postoperative months 1 (Post 1M) and 6 (Post 6M). * and ** Significant impairment compared to preoperative period (PreOP) (p<0.05). (A) Subjective parameters-open thyroidectomy group. (B) Subjective parameters-endoscopic thyroidectomy group.