Table 1. . Demographic, clinical and pathologic characteristics by group.

Group (N)	All (50)
Age, median (range)	61.5 (41–81)
Sex (%):
– Male	39 (78)
– Female	11 (22)
Smoking (%):
– Yes (current or former)	30 (60)
– No (never)	20 (40)
Alcohol drinkers (%):
– Heavy drinkers	6 (12)
– Social drinkers	31 (62)
– Never drinkers	13 (26)
Site of disease (%):
– Base of tongue	28 (56)
– Soft palate	3 (6)
– Tonsil	19 (38)
T Stage (%):
– I	1 (2)
– II	1 (2)
– III	16 (32)
– IVA	31 (62)
– IVB	1 (2)