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- Basu, P, et al.
(author)
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Erratum
- 2018
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In: International journal of cancer. - : Wiley. - 1097-0215 .- 0020-7136. ; 143:1, s. E1-E1
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Journal article (peer-reviewed)
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- Blom, J, et al.
(author)
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Gender-specific cut-offs in colorectal cancer screening with FIT: Increased compliance and equal positivity rate
- 2019
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In: Journal of medical screening. - : SAGE Publications. - 1475-5793 .- 0969-1413. ; 26:2, s. 92-97
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Journal article (peer-reviewed)abstract
- Using quantitative Faecal Immunochemical Test (FIT) in colorectal cancer screening enables adjustment of the cut-off for a positive test. As men have higher stool blood levels and higher prevalence of colorectal neoplasia, different cut-off levels can be chosen for men and women. We evaluated participation and positivity rates switching from guaiac-based faecal occult blood test (gFOBT) (Hemoccult®) to FIT (OC-Sensor), using gender-specific cut-offs. Methods The colorectal cancer screening programme of Stockholm-Gotland, Sweden, started in 2008 and invited individuals aged 60–69 to biennial testing using gFOBT. From 1 October 2015 the test was switched to FIT, with positivity cut-offs of 40 (200) and 80 (400) µg Hb/g (ng/mL) faeces for women and men, respectively. The first year was evaluated for compliance and positivity, number of reminders and incorrect/inadequate tests, compared with gFOBT in the preceding 12-month period. Results There were 127,030 and 87,269 individuals invited to screening with gFOBT and FIT, respectively. The change of test increased overall participation by 11.9% (95% confidence interval 11.5%–12.3%) from 56.5% to 68.4% ( p < 0.001). The increase was larger in men (14.3%) than women (9.7%), and in those aged 60–64 (14.2%) than those aged 65–69 (8.7%). The positivity rate was 2.6% in women and 2.5% in men. There was a lower rate of reminders and incorrect/inadequate tests with FIT. Conclusions Within a well-organised colorectal cancer screening programme, changing the test from gFOBT to FIT markedly increased participation, especially among men, and in the younger age group. With a lower cut-off in women than men, the positivity rate was similar.
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