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Factors influencing participation rates in clinical late effect studies of childhood cancer survivors
  • +3
  • Anne Sophie Helligsoe,
  • Louise Henriksen,
  • Line Kenborg,
  • Christian Dehlendorff,
  • Jeanette Winther,
  • Henrik Hasle
Anne Sophie Helligsoe
Aarhus University Hospital

Corresponding Author:[email protected]

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Louise Henriksen
Aarhus University Hospital
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Line Kenborg
Danish Cancer Society Research Center
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Christian Dehlendorff
Danish Cancer Society Research Center
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Jeanette Winther
Danish Cancer Society Research Center
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Henrik Hasle
Aarhus University Hospital
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Abstract

Introduction: Several studies on late effects of childhood cancer have been conducted during the past decades. To ensure external validation of a study population, the participation rate must be high. This study investigated demographic data in late effect studies and potential factors impacting on participation rates such as cancer type, time since diagnosis and duration of clinical examinations. Procedure: By searching the databases PubMed, Embase and Web of Science and by contacting researchers and clinicians, we identified studies including an invitation to a clinical examination for late effects after childhood cancer. Studies conducted from January 2010 - March 2020 in the Nordic countries were included. Results: We found 80 published studies originating from 16 cohorts. The overall participation rates ranged between 27 and 100%. The majority of studies (eleven studies) were conducted more than ten years after the cancer diagnosis and primarily on hematologic malignancies (seven studies). The highest participation rates were seen in studies of survivors with solid tumors (92%) and the lowest in survivors with hematologic malignancies (67%) and central nervous system tumors (73%). Neither duration of the clinical examination nor time since diagnosis seemed to affect the participation rate. Conclusion: A trend of lower participation rates when recruiting survivors of hematologic malignancies and central nervous system tumors was found. We encourage future studies to describe the recruitment process more thouroughly to improve understanding of the factors influencing participation rates.
14 Jan 2021Submitted to Pediatric Blood & Cancer
14 Jan 2021Submission Checks Completed
14 Jan 2021Assigned to Editor
20 Jan 2021Reviewer(s) Assigned
16 Feb 2021Review(s) Completed, Editorial Evaluation Pending
17 Feb 2021Editorial Decision: Revise Major
15 Mar 2021Submission Checks Completed
15 Mar 2021Assigned to Editor
15 Mar 20211st Revision Received
18 Mar 2021Reviewer(s) Assigned
14 Apr 2021Review(s) Completed, Editorial Evaluation Pending
16 Apr 2021Editorial Decision: Accept