Variable | HPV+ (Arm A) | HPV− (Arm B) |
Tumour (T) |
|
|
T1 | 23.5% | 12.5% |
T2 | 35.3% | 25% |
T3 | 29.4% | 41.7% |
T4 | 11.7% | 20.8% |
Node (N) |
|
|
N0 | 5.9% | 18.8% |
N1 | 17.6% | 43.8% |
N2 | 23.5% | 22.9% |
N3 | 52.9% | 14.6% |
Composite stage |
|
|
Stage III | 29.4% | 56.3% |
Stage IV | 70.6% | 43.8 |
Sub sites |
|
|
Tonsil | 52.9% | 45.8% |
BOT | 29.4% | 25.0% |
Palate | 11.8% | 16.7% |
Vallecula | 5.9% | 12.5% |
Pathological subtypes |
|
|
Well differentiated SCC | 11.8% | 14.6% |
Moderately differentiated SCC | 47.1% | 64.6% |
Poorly differentiated SCC | 23.5% | 18.8% |
Basaloid differentiation SCC | 11.8% | 0 |
Unknown differentiation SCC | 5.9% | 2.1% |