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Table 3 Results of HRA cytology and punch biopsy in classifying patients into high grade and non-high grade squamous intraepithelial lesion

From: Comparative diagnostic accuracy studies with an imperfect reference standard – a comparison of correction methods

  Biopsy ≥AIN2 Biopsy <AIN2 Total
Cytology HSIL or ASC-H 40 22 62
Cytology < HSIL 22 177 199
  62 199 261
  1. HSIL High grade squamous intraepithelial lesion, ASC-H Atypical squamous cells cannot rule out high grade, AIN Anal intraepithelial neoplasia
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