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    Attendance and diagnostic yield of repeated two-sample faecal immunochemical test screening for colorectal cancer

    Access Status
    Fulltext not available
    Authors
    Kapidzic, A.
    van Roon, A.
    van Leerdam, M.
    van Vuuren, A.
    van Ballegooijen, M.
    Lansdorp-Vogelaar, Iris
    Spijker, W.
    Izelaar, K.
    Hol, L.
    Kuipers, E.
    Date
    2015
    Type
    Journal Article
    
    Metadata
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    Citation
    Kapidzic, A. and van Roon, A. and van Leerdam, M. and van Vuuren, A. and van Ballegooijen, M. and Lansdorp-Vogelaar, I. and Spijker, W. et al. 2015. Attendance and diagnostic yield of repeated two-sample faecal immunochemical test screening for colorectal cancer. Gut. 66 (1): pp. 118-123.
    Source Title
    Gut
    DOI
    10.1136/gutjnl-2014-308957
    ISSN
    0017-5749
    URI
    http://hdl.handle.net/20.500.11937/49863
    Collection
    • Curtin Research Publications
    Abstract

    Objective: Limited data exist on attendance and additional yield of 2-sample faecal immunochemical testing (FIT) screening during multiple rounds. We therefore conducted a population-based colorectal cancer screening trial comparing attendance and yield of repeated 1-sample and 2-sample FIT screenings. Design: Two randomly selected groups of average-risk subjects aged 50-74 years were invited for two rounds of either 1-sample (n=5007) or 2-sample (n=3197) FIT (OC-sensor Micro) screening. The test was considered positive if at least one sample was positive (cut-off 50 ng/mL; 10 µg haemoglobin/g). Results: The cumulative attendance rate was similar for repeated 1-sample and 2-sample FIT screenings (1-sample FIT: 68.1%; 2-sample FIT: 67.1%, p=0.368). The positivity rate in the second round was lower for 1-sample FIT (6.2%, 95% CI 5.4% to 7.2%) than for 2-sample FIT (8.4%, 95% CI 7.1% to 9.8%, p=0.007), whereas the detection rate of advanced neoplasia (AN, 1-sample FIT: 1.9%, 95% CI 1.2% to 2.2%; 2-sample FIT: 1.7%, 95% CI 1.2% to 2.5%, p=0.861) and the positive predictive value (1-sample FIT: 32%, 95% CI 24% to 40%; 2-sample FIT: 21%, 95% CI 15% to 29%, p=0.075) did not differ. After two rounds of screening, the cumulative diagnostic yield of AN for 1-sample FIT was 29.3 per 1000 invitees, compared with 34.0 for 2-sample FIT (p=0.241). Conclusions: Using 2-sample FIT instead of 1-sample FIT does not result in a higher detection rate of AN in the second round of repeated FIT screening. Furthermore, both strategies lead to a similar yield of AN over two rounds. These findings imply that 1-sample FIT screening is preferred over 2-sample FIT screening.

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      Haug, U.; Grobbee, E.; Lansdorp-Vogelaar, Iris; Spaander, M.; Kuipers, E. (2016)
      Objective: Colorectal cancer (CRC) screening programmes based on faecal immunochemical testing for haemoglobin (FIT) typically use a screening interval of 2 years. We aimed to estimate how alternative FIT strategies that ...
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      Goede, S.; Van Roon, A.; Reijerink, J.; Van Vuuren, A.; Lansdorp_Vogelaar, Iris; Habbema, J.; Kuipers, E.; Van Leerdam, M.; Van Ballegooijen, M. (2013)
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