Table 1.

Studies of HNSCCs by cancer site, geographic location of study, and overall prevalence of PV

SiteGeographic locationNo. studiesNo. casesOverall HPV prevalence (95% CI)
Oral cavityAustralia, Canada, China, Cuba, Finland, France, Germany, India, Ireland, Italy, Japan, Korea, Netherlands, Norway, Poland, Spain, Slovenia, Sudan, Sweden, Switzerland, Taiwan, United Kingdom, United States, Venezuela352,64223.5 (21.9-25.1)
OropharynxAustralia, Canada, Cuba, Finland, France, Germany, India, Ireland, Italy, Japan, Netherlands, Norway, Poland, Spain, Slovenia, Sudan, Sweden, Switzerland, United States2796935.6 (32.6-38.7)
Larynx*Canada, Cuba, Denmark, Finland, France, Germany, Greece, India, Italy, Japan, Netherlands, Norway, Spain, Slovenia, Sweden, Switzerland, United Kingdom, United States351,43524.0 (21.8-26.3)
OverallAs listed above605,04625.9 (24.7-27.2)
  • * Larynx includes cases of the hypopharynx.

  • Does not sum to total number of studies because some studies investigated multiple sites.