Table 1.

Patients’ characteristics.

	frequency	Percent
Number of patients	29	100
Male	16	55
Female	13	45
HPV 6	13	45
HPV 11	16	55
Need for Tracheostomy	14	48
Adjuvant therapy with alph-interfron	22	76
Site of involvements supraglottis	2	7
glottis	5	17
supraglottis and glottis	7	24
glottis and subglottis	2	7
supraglottis, glottis and subglottis	13	45