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Trends in high-grade cervical lesions and cervical cancer screening in 5 states, 2008-2015

  • Julia Warner Gargano
  • , Ina U. Park
  • , Marie R. Griffin
  • , Linda M. Niccolai
  • , Melissa Powell
  • , Nancy M. Bennett
  • , Michelle L. Johnson Jones
  • , Erin Whitney
  • , Manideepthi Pemmaraju
  • , Monica Brackney
  • , Nasreen Abdullah
  • , Mary Scahill
  • , Rebecca M. Dahl
  • , Angela A. Cleveland
  • , Elizabeth R. Unger
  • , Lauri E. Markowitz
  • , Sheelah Blankenship
  • , Stephanie Allen
  • , James Meek
  • , Kyle Higgins
  • James Hadler, Lynn Sosa, Kayla Saadeh, Ashley Williamson, Deanna Fink, Michael J. Silverberg, Robert Laing, Sean Schafer, Marina Oktapodas, Christina Felsen
  • Centers for Disease Control and Prevention
  • University of California at San Francisco
  • Vanderbilt University
  • Yale University
  • Oregon Health Authority
  • University of Rochester
  • California Emerging Infections Program
  • Commonwealth of Massachusetts
  • Kaiser Permanente

Research output: Contribution to journalArticlepeer-review

57 Scopus citations

Abstract

Background We describe changes in rates of cervical intraepithelial neoplasia grades 2, 3 and adenocarcinoma in situ (CIN2+) during a period of human papillomavirus (HPV) vaccine uptake and changing cervical cancer screening recommendations. Methods We conducted population-based laboratory surveillance for CIN2+ in catchment areas in 5 states, 2008-2015. We calculated age-specific CIN2+ rates per 100000 women by age groups. We estimated incidence rate ratios (IRR) of CIN2+ for 2-year periods among all women and among screened women to evaluate changes over time. Results A total of 16572 CIN2+ cases were reported. Among women aged 18-20 and 21-24 years, CIN2+ rates declined in all sites, whereas in women aged 25-29, 30-34, and 35-39 years, trends differed across sites. The percent of women screened annually declined in all sites and age groups. Compared to 2008-2009, rates among screened women were significantly lower for all 3 periods in women aged 18-20 years (2010-2011: IRR 0.82, 95% confidence interval [CI] 0.67-0.99; 2012-2013: IRR 0.63, 95% CI 0.47-0.85; 2014-2015: IRR 0.44, 95% CI 0.28-0.68) and lower for the latter 2 time periods in women aged 21-24 years (2012-2013: IRR 0.86, 95% CI 0.79-0.94; 2014-2015: IRR 0.61, 95% CI 0.55-0.67). Conclusions From 2008-2015, both CIN2+ rates and cervical cancer screening declined in women aged 18-24 years. The significant decreases in CIN2+ rates among screened women aged 18-24 years are consistent with a population-level impact of HPV vaccination.

Original languageEnglish
Pages (from-to)1282-1291
Number of pages10
JournalClinical Infectious Diseases
Volume68
Issue number8
DOIs
StatePublished - Apr 8 2019

Keywords

  • cervical intraepithelial neoplasia
  • disease surveillance
  • human papillomavirus
  • vaccine impact

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