Table 1. Summary of subject characteristics at diagnosis and p16/INK4A immunohistochemistry data (n=88).

	Male (n=72)	Female (n=16)	All (n=88)
Histology type, n (%)
Epithelioid	56 (77.8)	15 (93.7)	71 (80.7)
Biphasic	8 (11.1)	1 (6.3)	9 (10.2)
Sarcomatoid	8 (11.1)	0 (0)	8 (9.1)
Stages
T2	22 (30.6)	5 (31.2)	27 (30.7)
T3	40 (55.6)	5 (31.2)	45 (51.1)
T4	10 (13.8)	6 (37.5)	16 (18.2)
Chemotherapy, n (%)
Yes	51 (70.8)	13 (81.3)	64 (72.7)
No	21 (29.2)	3 (18.7)	24 (27.3)
p16 Expression
Negative/low	39 (54.2)	6 (37.5)	45 (51.1)
Intermediate	22 (30.5)	6 (37.5)	28 (31.8)
High	11 (15.3)	4 (25.0)	15 (17.1)

Values are expressed as n (%).