TABLE 1.

Selected patient, tumor, and treatment characteristics.

Characteristic	No. of patients	%
Sex
Male	46	92
Female	4	8
Primary tumor site
Tonsil	19	38
Base of tongue	25	50
Unknown	3	6
Hypopharynx	1	2
Larynx	1	2
Nasopharynx	1	2
T classification
T0	3	6
T1	15	30
T2	26	52
T3	4	8
T4	2	4
N classification
N1	4	8
N2a	2	4
N2b	34	68
N2c	8	16
N3	2	4
HPV
Positive	46	92
Negative (p16+)	4	8
FNA
No	21	42
Yes	29	58
Chemotherapy
CDDP	43	86
None	2	4
Other*	5	10

Abbreviations: HPV, human papillomavirus; FNA, fine-needle aspiration; CDDP, cis-diamminedichloroplatinum.

^*3, 1, 1 patients received concomitant carboplatin, erbitux or carboplatin + taxol, respectively.