| No. of patients | 5-yr LC | p-value | 5-yr LRC | p-value | 5-yr DFS | p-value |
---|---|---|---|---|---|---|---|
Oral cavity | Â | Â | Â | Â | Â | Â | Â |
   Stage III | 2 | 50% | 0.13 | 50% | 0.13 | 50% | 0.13 |
   Stage IV | 16 | 8.1% |  | 8.1% |  | 8.1% |  |
Oropharynx | Â | Â | Â | Â | Â | Â | Â |
   Stage III | 40 | 68.8% | 0.08 | 68.8% | 0.01 | 68.8% | 0.004 |
   Stage IV | 78 | 53.6% |  | 36.4% |  | 29.5% |  |
Hypopharynx | Â | Â | Â | Â | Â | Â | Â |
   Stage III | 42 | 66.9% | 0.16 | 59.3% | 0.01 | 59.3% | 0.009 |
   Stage IV | 51 | 53.2% |  | 34.4% |  | 31.2% |  |
Larynx | Â | Â | Â | Â | Â | Â | Â |
   Stage III | 12 | 80.2% | 0.83 | 80.2% | 0.15 | 80.2% | 0.07 |
   Stage IV | 23 | 67.8% |  | 34.3% |  | 28% |  |