Table 4.

Clinical features of the populations

	Median	Min	Max
Age	56.7	41.2	77.7
		Quantity	Percentage %
Sex	Woman	4	8.7
	Men	42	91.3
Site	Larynx	8	17.4
	Oral cavity	8	17.4
	Hypopharynx	7	15.2
	Oropharynx	23	50
T Stage	T1-T2	12	26.1
	T3-T4	34	73.9
N Stage	N0	18	39.1
	N+	28	60.9
M stage	0	46	100
	1	0	0