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Journal of medical virology

Pre-vaccination prevalence of infections with 25 non-high-risk human papillomavirus types among 1,000 Slovenian women in cervical cancer screening.


PMID 24978445

Abstract

Cervical infections with non-high-risk human papillomavirus (non-HR-HPV) types have been associated with genital warts and a fraction of atypical squamous cells of undetermined significance and low-grade squamous intraepithelial lesions. The pre-vaccination prevalence of cervical infections with 25 non-HR-HPV types has been estimated, regardless of and without the coexistence of infection with HR-HPV types among Slovenian women 20-64 years old in cervical cancer screening, overall and according to age and cytology result. One thousand cervical specimens selected randomly from 4,455 specimens collected in 2010 in the Slovenian HPV prevalence survey were tested with Linear Array HPV Genotyping Test. Prevalence of cervical infections with any of the 25 non-HR-HPV types was 10.0% (95% CI: 8.1-11.9%) and with exclusively non-HR-HPV types 4.5% (95% CI: 3.2-5.8%). Prevalence of infections with any non-HR-HPV types among women with normal cytology was 8.8%, with atypical squamous cells of undetermined significance 30.4%, with low-grade squamous intraepithelial lesions 60.0%, and with high-grade squamous intraepithelial lesions 7.7%. Non-HR-HPV types without coexisting HR-HPV types were found in 4.0% of women with normal cytology, 26.1% with atypical squamous cells of undetermined significance, 6.7% with low-grade squamous intraepithelial lesions, and none with high-grade squamous intraepithelial lesion. Non-HR-HPV type cervical infections without coexisting HR-HPV infections were common among Slovenian women in cervical cancer screening with atypical squamous cells of undetermined significance, while rare in those with low-grade squamous intraepithelial lesions or worse. J. Med. Virol. 86: 1772-1779, 2014. © 2014 Wiley Periodicals, Inc.