A spatiotemporal analysis of invasive cervical cancer incidence in the state of Maryland between 2003 and 2012

Sally Peprah, Frank C. Curreiro, Jennifer H. Hayes, Kimberly Stern, Shalini Parekh, Gypsyamber D’Souza

Research output: Contribution to journalArticlepeer-review

Abstract

Purpose: Invasive cervical cancer (ICC) rates have tremendously declined in the United States, yet new cases consistently occur in Maryland and throughout the United States. We hypothesized that although rates have generally declined, this decline is uneven across counties and over time. Methods: Space–time cluster detection analysis was conducted to evaluate clusters of ICC incidence at the county level within Maryland between 2003 and 2012. Results: The most likely cluster was a cluster of low incidence, which included 6 counties in eastern Maryland for the period 2009–2012. A secondary cluster of low rates, comprising 2 metropolitan counties in northern Maryland, was observed for the period 2009–2012. Two of the three clusters of high ICC rates occurred in 2009–2012 in the large metropolitan area of Baltimore City and another cluster in Frederick County, in rural western Maryland. The third cluster of high rates was observed 2005–2008, in western Maryland. Conclusion: In recent periods, some Maryland counties have experienced anomalously high or low ICC incidence. Clusters of high incidence are not explained by differences in screening rates and may be due to failures in follow-up care for cervical abnormalities that need to be investigated. Clusters of low incidence may represent areas of successful ICC control.

Original languageEnglish (US)
Pages (from-to)445-453
Number of pages9
JournalCancer Causes and Control
Volume29
Issue number4-5
DOIs
StatePublished - May 1 2018

Keywords

  • Cancer surveillance
  • Cervical cancer
  • SaTScan
  • Space–time cluster detection
  • Spatial epidemiology

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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