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Guidance for setting international standards on reporting longitudinal adherence to stool-based colorectal cancer screening

  1. Author:
    van Wifferen, Francine
    Greuter, Marjolein J E
    Lissenberg-Witte, Birgit I
    Carvalho, Beatriz
    Meijer, Gerrit A
    Dekker, Evelien
    Campari, Cinzia
    Garcia, Montse
    Rabeneck, Linda
    Lansdorp-Vogelaar, Iris
    Senore, Carlo
    Coupé, Veerle M H
    Segnan, Nereo
    McCarthy, Sharon
    Puricelli Perin,Douglas
    Portillo, Isabel
    Jahn, Beate
  2. Author Address

    Department of Epidemiology and Data Science, Amsterdam UMC - location VUmc, Amsterdam, the Netherlands. Electronic address: f.vanwifferen@amsterdamumc.nl., Department of Pathology, Netherlands Cancer Institute, Amsterdam, the Netherlands., Department of Gastroenterology and Hepatology, Amsterdam UMC - location AMC, Amsterdam, the Netherlands., Screening Unit, Azienda USL-IRCCS di Reggio Emilia, Italy., Cancer Screening Unit, Prevention and Control Programme, Catalan Institute of Oncology, L 39;Hospitalet de Llobregat, Barcelona, Spain., Prevention & Cancer Control, Ontario Health (Cancer Care Ontario), University of Toronto, Canada., Department of Public Health, Erasmus MC, University Medical Centre, Rotterdam, NL, the Netherlands., SSD Epidemiology, screening unit - CPO, University Hospital "Citt 224; della Salute e della Scienza", Turin, Italy., Centre for Cancer Prevention, CPO, Piedmonte, Turin, Italy., Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, MD, USA., Frederick National Laboratory for Cancer Research, Frederick, MD, USA., Osakidetza Basque Health Service, Basque Country Colorectal Cancer Screening Programme, 48011 Bilbao, Spain; Biocruces Health Research Institute, Cancer Biomarker Area, 48903 Barakaldo, Spain., Department of Public Health, Health Services Research and Health Technology Assessment, Institute of Public Health, Medical Decision Making and Health Technology Assessment, UMIT-University for Health Sciences, Medical Informatics and Technology, Eduard-Wallnoefer Zentrum 1, A-6060 Hall in Tirol, Austria.,
    1. Year: 2022
    2. Date: Aug 10
    3. Epub Date: 2022 08 10
  1. Journal: Preventive Medicine
    1. Pages: 107187
  2. Type of Article: Article
  3. Article Number: 107187
  1. Abstract:

    Longitudinal adherence to colorectal cancer (CRC) screening is reported using different summarizing measures, which hampers international comparison. We provide evidence to guide recommendations on which longitudinal adherence measure to report. Using adherence data over four stool-based CRC screening rounds in three countries, we calculated six summarizing adherence measures; adherence over all rounds, adherence per round, rescreening, full programme adherence (yes/no), regularity (never/inconsistent/consistent screenees) and number of times participated. For each measure, we calculated the accuracy in capturing the observed adherence patterns. Using the ASCCA model, we predicted screening effectiveness when using summarizing measures as model input versus the observed adherence patterns. Adherence over all rounds in the Italian, Spanish and Dutch cohorts was 64.9%, 42.8% and 61.5%, respectively, and the proportion of consistent screenees was 50.9%, 26.3% and 45.7%. Number of times participated and regularity were most accurate and resulted in similar model-predicted screening effectiveness as simulating the observed adherence patterns of Italy, Spain and the Netherlands (mortality reductions: 24.4%, 16.9% and 23.5%). Adherence over all rounds and adherence per round were least accurate. Screening effectiveness was overestimated when using adherence over all rounds (mortality reductions: 26.8%, 19.4% and 25.7%) and adherence per round (mortality reductions: 26.8%, 19.5% and 25.9%). To conclude, number of times participated and regularity were most accurate and resulted in similar model-predicted screening effectiveness as using the observed adherence patterns. However they require longitudinal data. To facilitate international comparison of CRC screening programme performance, consensus on an accurate adherence measure to report should be reached. Copyright © 2022. Published by Elsevier Inc.

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External Sources

  1. DOI: 10.1016/j.ypmed.2022.107187
  2. PMID: 35963311
  3. PII : S0091-7435(22)00236-5

Library Notes

  1. Fiscal Year: FY2021-2022
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