Table 2

Incidence and clearance rates for oral infection by any HPV, high-risk HPVs and the individual high-risk types for the overall study group and stratified according to HIV status

OverallHIV-infected MSMHIV-uninfected MSM
Rate*95% CIRate*95% CIRate*95% CI
Any HPV
 Incidence17.812.4 to 25.421.213.0 to 34.715.09.0 to 25.2
 Clearance87.164.4 to 117.882.854.3 to 126.592.860.3 to 142.8
High-risk HPV
 Incidence8.35.1 to 13.410.75.5 to 20.86.53.2 to 13.3
 Clearance98.465.7 to 147.5121.167.7 to 216.882.746.6 to 146.8
 HPV16
 Incidence2.00.8 to 4.90.80.1 to 5.43.21.2 to 8.9
 Clearance80.941.9 to 156.244.811.2 to 179.3105.549.6 to 224.2
 HPV33
 Incidence1.00.3 to 3.21.50.4 to 6.40.60.1 to 4.3
 Clearance34.78.7 to 138.353.17.6 to 373.325.73.6 to 182.0
 HPV39
 Incidence1.10.3 to 3.60.70.1 to 5.41.70.4 to 8.1
 Clearance67.916.9 to 273.144.46.2 to 319.2137.719.4 to 976.7
 HPV51
 Incidence0.90.2 to 4.1n.e.n.e.
 Cearance144.944.3 to 474.7n.e.n.e.
 HPV56
 Incidence0.60.1 to 4.8n.e.1.10.1 to 9.0
 Clearance233.552.9 to 1030.0n.e.232.952.6 to 1031.7
 HPV58
 Incidencen.e.n.e.n.e.
 Clearance99.013.4 to 731.3n.e.n.e.
 HPV59
 Incidence0.40.05 to 2.80.80.1 to 5.7n.e.
 Clearance80.025.6 to 250.057.714.4 to 231.3n.e.
 HPV66
 Incidence3.01.1 to 8.5n.e.1.40.3 to 6.2
 Clearance245.297.4 to 617.3n.e.78.711.3 to 549.0
 HPV68
 Incidence1.60.5 to 5.7n.e.0.80.1 to 6.2
 Clearance205.976.8 to 552.1n.e.128.231.3 to 524.2
  • High-risk genotypes for which neither incidence nor clearance could be estimated because zero transitions are not shown.

  • *Rate is given ×1000 person-months.

  • HPV, human papillomavirus; MSM, men who have sex with men; n.e., not estimable.