Impact of human papillomavirus vaccination on rates of abnormal cervical cytology and histology in young New Zealand women
The New Zealand medical journal(2020)
摘要
AIM: Determine the impact of quadrivalent human papillomavirus (HPV) vaccination on abnormal cervical cytology and histology rates in young New Zealand women. METHODS: Retrospective population-based cohort study of women born 1990-1994, with a cervical cytology or histology recorded when aged 20-24 between 1 January 2010 and 31 December 2015. Data was obtained through linking the National Immunisation Register and National Cervical Screening Programme Register. RESULTS: N=104,313 women (376,402 person years of follow up) were included. The incidence of high-grade cytology was lower in vaccinated women (at least one dose prior to 18 years) than in unvaccinated women (8.5 vs 11.3 per 1,000 person years [p1000py], incidence rate ratio [IRR 0.75], 95% CI 0.70, 0.80, p<.001). The incidence of high-grade histology was lower in vaccinated women than in unvaccinated women (6.0 vs 8.7 p1000py, IRR 0.69, 95% CI 0.64, 0.75, p<.001). There was no evidence of a difference in the incidence of high-grade histology between European and Maori women overall or after taking vaccination status into account. CONCLUSIONS: Receiving at least one dose of quadrivalent HPV vaccine prior to 18 years was associated with a 25% lower incidence of high-grade cytology and 31% lower incidence of high-grade histology in women aged 20-24 years.
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关键词
human papillomavirus vaccination,abnormal cervical cytology,young new zealand women
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