Colorectal cancer screening in Manitoba: analysis of factors associated with program participation and outcomes
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Date
2020-03-26
Authors
Findlay-Shirras, Lisa
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Abstract
Introduction
Fecal-based (FT) colorectal cancer (CRC) screening is designed to prevent cancer or diagnose it early when it is most amenable to treatment. This study assessed the socio-demographic and clinical factors associated with participation and outcomes of a population-based provincial CRC screening program.
Methods
This retrospective cohort study included individuals age 50-74 who were eligible to participate in Manitoba’s CRC screening program from 2007-2014. Sociodemographic factor and clinical variable subgroup analyses were performed using multivariable logistic regression.
Results
118,096 screening FTs were completed, and 3081 follow-up colonoscopies were completed. On multivariable analysis, screening participation is associated with age, sex, deprivation index, and geography. Age and sex were associated with identifying advanced neoplasia and non-advanced adenomas on colonoscopy.
Conclusions
Our study suggests CRC screening participation and outcomes are associated with specific sociodemographic and clinical factors. Through identification of disparities and barriers to participation, access, or timely investigations, we can inform and direct future program initiatives.
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Keywords
Colon, Colorectal, Cancer, Screening