Public preferences for using quantitative faecal immunochemical test versus colonoscopy as diagnostic test for colorectal cancer:evidence from an online survey

von Wagner, Christian and Verstraete, Wouter and Hirst, Yasemin and Nicholson, Brian D and Stoffel, Sandro T and Laszlo, Helga (2020) Public preferences for using quantitative faecal immunochemical test versus colonoscopy as diagnostic test for colorectal cancer:evidence from an online survey. BJGP Open, 4 (1). ISSN 2398-3795

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Abstract

BACKGROUND: There has been interest in using the non-invasive, home-based quantitative faecal immunochemical test (FIT) to rule out colorectal cancer (CRC) in high-risk symptomatic patients. AIM: To elicit public preferences for FIT versus colonoscopy (CC) and its delivery in primary care. DESIGN & SETTING: A cross-sectional online survey in England. METHOD: A total of 1057 adults (without CRC symptoms and diagnosis) aged 40-59 years were invited from an English online survey panel. Responders were asked to imagine they had been experiencing CRC symptoms that would qualify them for a diagnostic test. Participants were presented with choices between CC and FIT in ascending order of number of CRCs missed by FIT (from 1-10%). It was measured at what number of missed CRCs responders preferred CC over FIT. RESULTS: While 150 participants did not want either of the tests when both missed 1% CRCs, the majority (n = 741, 70.0%) preferred FIT to CC at that level of accuracy. However, this preference reduced to 427 (40.4%) when FIT missed one additional cancer. Women were more likely to tolerate missing CRC when using FIT. Having lower numeracy and perceiving a higher level of risk meant participants were less likely to tolerate a false negative test. Most of those who chose FIT preferred to return it by mail (62.2%), to be informed about normal test results by letter (42.1%), and about abnormal test results face to face (32.5%). CONCLUSION: While the majority of participants preferred FIT over CC when both tests had the same sensitivity, tolerance for missed CRCs was low.

Item Type:
Journal Article
Journal or Publication Title:
BJGP Open
Additional Information:
Copyright © 2020, The Authors.
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2700/2714
Subjects:
ID Code:
176375
Deposited By:
Deposited On:
10 Oct 2022 09:55
Refereed?:
Yes
Published?:
Published
Last Modified:
22 Nov 2022 11:51