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Table 2 Frequency of human papillomavirus (HPV) infection in the study population

From: Case–control study of HLA-G promoter methylation status, HPV infection and cervical neoplasia in Curitiba, Brazil: a pilot analysis

  Cases Controls
  N = 279 N = 510
  N % N %
HPV- 16 5.7 410 80.4
HPV+ 263 94.3 100 19.6
Single infections 174 66.2 65 65.0
Multiple infections 86 32.7 29 29.0
Not typed by our methods 3 1.14 6 6.0