Table 6. Correlation between LOS and clinicopathological and anatomical features.

Values are presented as number (%) or mean ± standard deviation.

LOS, loss of signal; TZ, tubercle of Zuckerkandl; LOB, ligament of Berry; ATD, autoimmune thyroid disease.

^a)LOB entrapment accompanied by 1 or more of the following features: the TZ, extralaryngeal branching, ATD, hyperthyroidism, or lobe volume of >29 cm³. ^b)The cutoff value of lobe volume to predict repeated adverse electromyographic changes by receiver operating characteristic analysis.