TABLE 3

Noninferiority of Seroconversion Response at Month 7 in the PPI Population

Assay (cLIA)GirlsBoysWomenDifferenceb Girls-Women (95% CI)Differenceb Boys-Women (95% CI)
nSeropositive, %anSeropositive, %anSeropositive, %a
Anti–HPV 64231004281003201000.0 (−0.9 to 1.3)c0.0 (−1.0 to 1.3)c
Anti–HPV 114231004281003201000.0 (−0.9 to 1.3)c0.0 (−1.0 to 1.3)c
Anti–HPV 164241004271003061000.0 (−0.9 to 1.3)c0.0 (−1.0 to 1.4)c
Anti–HPV 1842610042999.734099.10.8 (−0.2 to 2.5)c0.6 (−0.6 to 2.4)c
  • a Based on a statistical model adjusting for region. Seropositivity determined relative to thresholds of 20, 16, 20, and 24 mMU/mL for HPV 6, 11, 16, and 18, respectively.

  • b Percentage point difference.

  • c Noninferiority P < .001.