Attribution of human papillomavirus types to cervical intraepithelial neoplasia and invasive cancers in southern China
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AbstractThe attribution of individual human papillomavirus (HPV) types to cervical neoplasia, especially intraepithelial lesions, varies ethnogeographically. Population-specific data are required for vaccine cost-effectiveness assessment and type replacement monitoring. HPV was detected from 2,790 Chinese women (444 invasive cervical cancers [ICC], 772 cervical intraepithelial neoplasia [CIN] grade 3, 805 CIN2 and 769 CIN1. The attribution of each HPV type found in multiple-type infections was approximated by the fractional contribution approach. Multiple-type infection was common and correlated inversely with lesion severity (54.7% for CIN1, 48.7% for CIN2, 46.2% for CIN3, 27.5% for ICC). Vaccine-covered high-risk types (HPV16/18) attributed to 59.5% of squamous cell carcinoma, 78.6% of adenocarcinoma, 35.9% of CIN3, 18.4% of CIN2 and 7.4% of CIN1. Distinct features compared to worldwide were a higher attribution of HPV52 and HPV58, and a much lower attribution of HPV45. Inclusion of HPV52 and HPV58 in future vaccines would provide the highest marginal increase in coverage with 11.7% for squamous cell carcinoma, 14.4% for CIN3, 22.6% for CIN2 and 17.7% for CIN1. The attribution of HPV types in southern China is different from elsewhere, which should be considered in prioritizing HPV types for vaccine and screening assay development.
All Author(s) ListChan PKS, Cheung TH, Li WH, Yu MY, Chan MYM, Yim SF, Ho WCS, Yeung ACM, Ho KM, Ng HK
Journal nameInternational Journal of Cancer
Volume Number131
Issue Number3
Pages692 - 705
LanguagesEnglish-United Kingdom
KeywordsChinese; Hong Kong; prevalence; type replacement; vaccine
Web of Science Subject CategoriesOncology; ONCOLOGY

Last updated on 2021-14-09 at 00:16