Fig. 5.
Changes in the subjective parameters during follow-up in the endoscopic thyroidectomy group. PreOp, preoperatively; Post 1M, 1 month postoperatively; Post 6M, 6 months postoperatively; GRBAS, grade, roughness, breathiness, asthenia, and strain; GRBAS, sum of the GRBAS scale; VHI, voice handicap index; Vocal fatigue, visual analog scale of the patients' symptomatic rating of vocal fatigue; Singing, visual analog scale of the patients' symptomatic rating of the singing difficulty; High pitch, visual analog scale of the patients' symptomatic rating of the high-pitched voice difficulty; Neck discomfort, visual analog scale of the patients' symptomatic rating of neck discomfort. *,†P<0.05, using paired t-test. *PreOp vs. Post 1M. †PreOp vs. Post 6M.