Table 3

HPV-16 serological status by SCCHN site and grade

Total no.HPV-16+PaPb
No.%
Site<0.0001
 Oral Cavity3638.30.920
  Oral tongue1715.9
  Other oral sites19210.5
 Oropharynx704158.60.987
  Base of tongue331957.6
  Tonsil321959.4
  Other oropharynx5360.0
 Larynx14535.70.046
  Supraglottis5480.0
  True vocal cord9111.1
Grade0.007
 Well differentiatedc18211.1
 Moderately differentiated491836.7
 Poorly differentiatedd432558.1
 Not recorded10440.0
  • a χ2 analysis within each site.

  • b χ2 analysis between sites or grades.

  • c Includes four patients with moderately well differentiated tumors.

  • d Includes five patients with moderately poorly differentiated tumors.