Table 1 Tumour and treatment characteristics for all patients
| Â | N | % |
|---|---|---|
Primary tumour site | Â | Â |
   Oropharynx | 81 | 53.6 |
   Larynx | 32 | 21.2 |
   Hypopharynx | 21 | 13.9 |
   Oral cavity | 14 | 9.3 |
   Unknown primary | 3 | 2 |
Histological grade of squamous cell carcinoma | ||
Well differentiated | 6 | 4 |
Moderately differentiated | 52 | 34.4 |
Poorly differentiated | 76 | 50.3 |
Not recorded | 17 | 11.3 |
Overall stage (AJCC) | Â | Â |
   III | 35 | 23.2 |
   IVA | 87 | 57.6 |
   IVB | 29 | 19.2 |
Treatment | Â | Â |
   Radical radiotherapy alone | 36 | 23.8 |
   Chemoradiotherapy (chemoXRT) | 115 |  |
   Induction chemo + XRT | 42 | 27.9 |
   Induction chemo + concomitant chemoXRT | 63 | 41.7 |
   Concomitant chemoXRT | 10 | 6.6 |