Trends in cervical cancer incidence rates by age, race/ethnicity, histological subtype, and stage at diagnosis in the United States.

Authors:
Farhad Islami
Farhad Islami
Surveillance and Health Services Research
Iran
Stacey A Fedewa
Stacey A Fedewa
Emory University
United States
Ahmedin Jemal
Ahmedin Jemal
National Cancer Institute
United States

Prev Med 2019 Jun 16;123:316-323. Epub 2019 Apr 16.

Surveillance and Health Services Research, American Cancer Society, Atlanta, GA, United States of America.

Recent trends of cervical cancer incidence by histology and age in the United States (U.S.) have not been reported. We examined contemporary trends in cervical squamous cell carcinoma (SCC) and adenocarcinoma (AC) incidence rates in the U.S. by age group, race/ethnicity, and stage at diagnosis after accounting for hysterectomy. Incidence data (1999-2015) were obtained from the U.S. Cancer Statistics Incidence Analytic Database. Hysterectomy prevalence was estimated using National Health Interview Survey data (2000-2015). Overall SCC incidence rates continued to decrease in all racial/ethnic groups except among non-Hispanic whites in whom rates stabilized in the 2010s, largely driven by stable trends in ages <50 years and a slower pace of decrease in ages 50-59 years. After a stable trend between 1999 and 2002, AC incidence rates among non-Hispanic whites rose during 2002-2015 (1.3% per year), mostly due to increases in ages 40-49 (4.4% annually since 2004) and 50-59 years (5.5% annually since 2011). Overall AC incidence rates during 1999-2015 decreased in blacks and Hispanics but were stable in Asian/Pacific Islanders; in all these race/ethnicities, rates were generally stable in ages <50 years but decreasing in older ages. Rates of distant stage cervical SCC and AC among non-Hispanic whites increased in several age groups but were generally stable in non-whites. Increasing or stabilized incidence trends for AC and attenuation of earlier declines for SCC in several subpopulations underscore the importance of intensifying efforts to reverse the increasing trends and further reduce the burden of cervical cancer in the U.S.

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http://dx.doi.org/10.1016/j.ypmed.2019.04.010DOI Listing
June 2019
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