Table 1 Patient characteristics (n = 90)
Age | |
 Median (range) | 65 (27–88) |
Sex | |
 Male | 74 (82%) |
 Female | 16 (18%) |
Primary site | |
 Oral cavity | 50 (56%) |
 Hypopharyngeal | 27 (30%) |
 Oropharyngeal | 9 (10%) |
  p16 positive | 1 |
  p16 negative | 4 |
  p16 status unknown | 4 |
 Laryngeal | 4 (4%) |
Stage | |
 II | 1 (1%) |
 III | 10 (11%) |
 IVa | 78 (87%) |
 IVb | 1 (1%) |
T classification | |
 T1 | 13 (14%) |
 T2 | 20 (22%) |
 T3 | 21 (23%) |
 T4 | 36 (40%) |
N classification | |
 N0 | 7 (8%) |
 N1 | 12 (13%) |
 N2a | 2 (2%) |
 N2b | 47 (52%) |
 N2c | 21 (23%) |
 N3 | 1 (1%) |
Extracapsular extension | |
 Yes | 17 (19%) |
 No | 73 (81%) |
Positive/close margin | |
 Yes | 8 (9%) |
 No | 82 (91%) |