Table 4

Matched pair analysis of HPV-16 serological status and oropharyngeal cancer risk estimates

Matched pairsORa (95% CI)Adjusted ORb (95% CI)Adjusted ORc (95% CI)
CaseControl
HPV-16+HPV-16−
HPV-16+33838.060.4059.53
HPV-16−128(5.22–276.8)(5.77–631.4)(5.71–620.2)
Never-smokers
HPV-16+12332.68d27.17d27.14d
HPV-16−011(5.75–∞)(4.36–∞)(4.85–∞)
Ever-smokers
HPV-16+21515.0019.70d18.22d
HPV-16−117(1.98–113.6)(3.32–∞)(3.02–∞)
  • a Conditional logistic regression analyses on matching variables.

  • b Conditional logistic regression analyses on matching variables, adjusted for alcohol status.

  • c Conditional logistic regression analyses on matching variables, adjusted for alcohol and cotinine level.

  • d Exact logistic regression analysis.