표 1 | Table 1. 음성장애의 병인에 따른 대상자의 진단명 | Diagnosis of the participants according to the etiology of voice disorders

Etiology	Diagnosis	N
Functional (n=30)	Vocal polyp, unilateral	20
	Vocal nodules, bilateral	6
	Primary muscle tension dysphonia	4
Organic (n=30)	Sulcus vocalis	10
	Intracordal cyst	7
	Laryngopharyngeal reflux disease	6
	Laryngeal papilloma	3
	Vocal fold hyperkeratosis	2
	Vocal fold scarring	2
Neurogenic (n=30)	Adductor spasmodic dysphonia	18
	Vocal fold palsy, unilateral	12