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. 2017 Jun 20;37(5):426–433. doi: 10.3343/alm.2017.37.5.426

Fig. 2. Age-specific prevalence of human papillomavirus (HPV) infection for different cytology grades. P value for trend of HPV infection prevalence according to age group was determined by using Cochran-Armitage trend test.

Fig. 2

Abbreviations: WNL, well normal limit; ASCUS, atypical squamous cells of undetermined significance; LSIL, low grade squamous intraepithelial lesion; ASC-H, atypical squamous cells without excluding HSIL; HSIL, high grade intraepithelial lesion; HR-HPV, high-risk human papillomavirus.