| Parameter | Number | Percent |
---|---|---|---|
Median Age, IQR | 58, 52.5–66 |  | |
Sex | Â | Â | Â |
 | Female | 2 | 8 |
 | Male | 22 | 92 |
Site | Â | Â | Â |
 | Base of tongue | 15 | 63 |
 | Tonsil | 4 | 17 |
 | Supraglottic larynx | 1 | 4 |
 | Nasopharynx | 2 | 8 |
 | Oral cavity | 1 | 4 |
 | Unknown primary | 1 | 4 |
HPV Status | Â | Â | Â |
 | Positive | 20 | 83 |
 | Negative | 2 | 8 |
 | Not applicable/Unknown | 2 | 8 |
Smoking | Â | Â | Â |
 | < 10 pack-years | 13 | 54 |
 | > 10 pack-years | 11 | 46 |
Concurrent chemotherapy | Â | Â | |
 | Bolus cisplatin | 11 | 46 |
 | Weekly cisplatin | 8 | 33 |
 | Carboplatin-Taxol | 2 | 8 |
 | No chemotherapy | 3 | 13 |
T-stage | Â | Â | Â |
 | Tx | 1 | 4 |
 | T1 | 8 | 33 |
 | T2 | 7 | 29 |
 | T3 | 5 | 21 |
 | T4 | 3 | 13 |
N-stage | Â | Â | Â |
 | N0 | 5 | 21 |
 | N1 | 4 | 17 |
 | N2a | 3 | 13 |
 | N2b | 10 | 42 |
 | N2c | 2 | 8 |
Stage | Â | Â | Â |
 | I | 2 | 8 |
 | II | 2 | 8 |
 | III | 3 | 13 |
 | IV | 17 | 71 |