HPV PCR pos (%) | HPV PCR neg (%) | P valuea | |
---|---|---|---|
Primary tumor | |||
Histology pos (%) | 15 (75) | 0 | |
Peri-tumor tissues | |||
Histology pos (%) | 23 (42.6) | 0 | |
Histology neg (%) | 5 (9.3) | 26 (48.1) | <0.0001 |
Lymph-nodes | |||
Histology pos (%) | 3 (4.1) | 2 (2.7) | |
Histology neg (%) | 17 (23.3) | 51 (69.9) | 0.2403 |