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Table 1 Prevalence of HPV determined by HPV DNA PCR (DNA), p16(INK4a) IHC (p16), E6*I mRNA (RNA), and all combinations of tests, in oropharyngeal cancer

From: Accuracy of high-risk HPV DNA PCR, p16(INK4a) immunohistochemistry or the combination of both to diagnose HPV-driven oropharyngeal cancer

Marker positivity

Oropharyngeal cancer

Positive

Proportion

(95% CI)

DNA

(N = 99)

36a

36.4%

(27.4–46.4)

p16

(N = 97)b

33

34.0%

(25.2–44.1)

RNA

(N = 97)c

28

28.9%

(20.6–38.8)

p16 + DNA

(N = 97)

30

30.9%

(22.5–40.9)

DNA + RNA

(N = 97)

28

28.9%

(20.6–38.8)

RNA + p16

(N = 95)

27

28.4%

(20.2–38.4)

p16 + DNA + RNA

(N = 95)

27

28.4%

(20.2–38.4)

  1. a1 lrHPV (HPV6) and 35 hrHPV
  2. b2 equivocal results after final re-review
  3. c2 samples gave an invalid RNA test result