Table 3.

Associated information for laryngeal cancer cases

Age (years)	IHCa-P63 (number of images)		Histological tumor grade (number of cases)			Lesion site (number of cases)
	×20	×40	I	II	III	Glottic	Supraglottic	Spread to subsites	N/A
63.4 ± 11.0	224	226	21	18	16	35	11	3	6
Stage (number of cases)
T			N
2	3	4	0	1	2	N/A	II	III	IV
8	29	13	5	43	2	2	7	27	17
Smoking habit (number of cases)					Alcohol habit (number of cases)			Survival (number of cases)
Cigarettes/day	Moderate	Heavy	years	N/A	Moderate	Present	Numerous	>5 years	<5 years
46.6 ± 19.9	10	15	38.1 ± 12.6	14	58	27	5	26	16

^a IHC immunohistochemical staining