Time Trends for Incidence and Net Survival of Cervical Cancer in Sweden 1960-2014-A Nationwide Population-Based Study.

Cancer Epidemiol Biomarkers Prev

Department of Obstetrics and Gynecology, Skåne University Hospital Lund, Lund University, Sweden.

Published: August 2022

AI Article Synopsis

  • The study examined trends in cervical cancer incidence and survival rates in Sweden from 1960 to 2014.
  • A total of 29,579 cases were analyzed, showing a decline in squamous cell carcinoma incidence until 2000, with an ongoing increase in adenocarcinoma cases.
  • While overall 5-year survival rates improved, older age groups (≥75 years) experienced worse long-term survival, highlighting age and FIGO stage as crucial factors for prognosis.

Article Abstract

Background: The aim was to investigate time trends for incidence and long-term net survival in the morphologic subtypes and stages of cervical cancer in Sweden during the period 1960 to 2014.

Methods: Women with invasive cervical cancer were identified through the Swedish Cancer Registry. Incidence and net survival were calculated according to morphology, age at diagnosis, and FIGO stage at diagnosis.

Results: In total, 29,579 cases of invasive cervical cancer between 1960 and 2014 were included. The age-standardized incidence for squamous cell carcinoma (SCC) decreased until 2000; thereafter, the incidence rate stagnated, and a small increase was found in 2014. The incidence of adenocarcinoma continuously increased. The age-standardized 5-year net survival increased. However, decreasing net survival with increasing age was found. A higher stage at diagnosis showed a worse net survival. SCC and adenocarcinoma did not statistically differ as regards net survival in the last years of the study.

Conclusions: Age-standardized 5-year net survival improved between 1960 and 2014. A positive trend for short- and long-term net survival was seen for women ages 18 to 64 years but long-term net survival for women ≥75 years decreased. In this study, age and FIGO stage at diagnosis were found to be important prognostic factors in determining net survival. The morphologies, SCC, and adenocarcinoma did not statistically differ as regards net survival in the last years of the study.

Impact: This study demonstrates longitudinal data on cervical cancer in Sweden for over 50 years with sub analyses on morphology, age, and stage at diagnosis.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9344906PMC
http://dx.doi.org/10.1158/1055-9965.EPI-21-1323DOI Listing

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