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. 2015 Feb 3;8(1):76–80. doi: 10.3342/ceo.2015.8.1.76

Fig. 3.

Fig. 3

Changes in the subjective parameters during follow-up in the conventional open 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.