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Cervical Cancer Prevention (PDQ®)

  • Updated: 10/17/2014

Vaccine Efficacy of the Quadrivalent HPV Vaccine

Population Point Estimate and 95% CI 
CI = confidence interval; CIN = cervical intraepithelial neoplasia; HPV = human papillomavirus; ITT = intention-to-treat.
HPV naive population for HPV-CIN 3100% (90.5%–100%) for lesions associated with HPV 6, 11,16, or 18
ITT CIN 345.3% (29.8%–57.6%) for lesions associated with HPV 6, 11, 16, or 18