표 1. | Table 1. 연구 대상 | Subjects information

	MTD (n=36)	Control (n=36)	t-value	Degree of freedom
Age±SD (range)	33.92±6.32(21-48)	31.39±4.85(22-39)	1.904	70

MTD, muscle tension dysphonia; SD, standard deviation.