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. 2011 May 31;105(1):28–37. doi: 10.1038/bjc.2011.185

Table 3. Cases of CIN 2/3 or worse due to vaccine and non-vaccine HPV types by baseline infection status in the ITT population.

    qHPV vaccine
Placebo
Causal HPV type in CIN 2/3 Baseline HPV status Cases Rate Cases Rate
Any type Any 62 0.9 51 0.7
Vaccine type(s)a   21 0.3 27 0.4
  Day 1-negative for causal type 3 <0.1 8 0.1
  Day 1-positive for causal type 18 3.9 19 4.7
Non-vaccine type(s)b   40 0.6 25 0.4
  Day 1-negative for causal type 13 0.2 4 0.1
  Day 1-positive for causal type 30 2.3 22 1.8
Unknown type Any 9 0.1 9 0.1

Abbreviations: CIN=cervical intraepithelial neoplasia; qHPV=quadrivalent human papillomavirus (types 6, 11, 16, 18) recombinant vaccine; ITT=intention to treat. The sum of the vaccine type-, non-vaccine type-, and unknown type-related cases is not equal to the any type-related cases as some subjects can have both vaccine type- and non-vaccine type-related CIN 2/3 or worse.

a

Vaccine type(s)=6, 11, 16, or 18.

b

Non-vaccine type(s)=31, 33, 35, 39, 45, 51, 52, 56, 58, or 59.