Table 1.

Demographic data of the study group

Diagnosis	Total	Age
		Mean	SD
Normal voice	30	39.31	14.27
Vocal fold nodules	8	36.5	4.37
Vocal fold polyp	24	48	12.21
Vocal fold cyst	3	44	7.81
Vocal fold cancer	5	46	4.63
Vocal fold polypoid hyperplasia	16	53.56	7.65
Vocal fold keratosis	6	51.16	13.74
Vocal fold papilloma	7	45.14	14.29
Unilateral vocal fold paralysis	3	54.33	1.15
Granuloma	1	38	-

SD standard deviation