| Total | % | HPV-OPC | % | nHPV-OPC | % | P value |
---|---|---|---|---|---|---|---|
(n = 66) | (n = 31) |  | (n = 35) | ||||
Sex | Â | Â | Â | Â | Â | Â | Â |
  Male | 44 | 66.7 | 21 | 47.7 | 23 | 52.3 | NS |
  Female | 22 | 33.3 | 10 | 45.5 | 12 | 54.5 | |
Agea | 66(37–90) | 66.5( 43–87) | 67.0(37–90) | NS | |||
Tobaccob | Â | Â | Â | Â | Â | Â | Â |
  (-) | 29 | 43.9 | 13 | 44.8 | 16 | 55.2 | NS |
  (+) | 37 | 56.1 | 18 | 48.6 | 19 | 51.4 | |
Alcoholb | Â | Â | Â | Â | Â | Â | Â |
  (-) | 29 | 43.9 | 12 | 41.4 | 14 | 58.6 | NS |
  (+) | 37 | 56.1 | 19 | 51.4 | 21 | 48.6 | |
Sitec | Â | Â | Â | Â | Â | Â | Â |
  Lat | 50 | 75.6 | 27 | 54.0 | 23 | 46.0 | NS |
  Ant | 11 | 16.7 | 4 | 36.4 | 7 | 63.6 | |
  Post | 3 | 4.5 | 0 | 0.0 | 3 | 100.0 | |
  Sup | 2 | 3.2 | 0 | 0.0 | 2 | 100.0 | |
Stage | Â | Â | Â | Â | Â | Â | Â |
  I/II | 11 | 16.7 | 6 | 54.5 | 5 | 45.5 | NS |
  III/IV | 55 | 83.3 | 25 | 45.5 | 30 | 54.5 |