Table 3. PRE- AND POST-OPERATIVE COMPARISONS OF OBJECTIVE VOICE PARAMETERS ACCORDING TO EXTENT OF THYROIDECTOMY

Thyroid., thyroidectomy; Fo, mean vocal fundamental frequency; Fo-Var, Fo variability; Jitter, relative average perturbation quotient; Shimmer, amplitude perturbation quotient; NHR, noise-to-harmonics ratio; CQ, contact quotient; MPFR, mean phonational frequency range; DynR, dynamic intensity range; Driv. Pres, estimated driving pressure; MPT, maximum phonation time; Airflow, mean phonatory airflow; LAR, mean laryngeal airway resistance; Surg., Surgery. * p < 0.05.