Screening strategies for colorectal cancer among patients with nonalcoholic fatty liver disease and family history
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AbstractPatients with nonalcoholic fatty liver disease (NAFLD) and family history of colorectal cancer (CRC) are at higher risks but how they should be screened remains uncertain. Hence, we evaluated the cost-effectiveness of CRC screening among patients with NAFLD and family history by different strategies. A hypothetical population of 100,000 subjects aged 40-75 years receive: (i) yearly fecal immunochemical test (FIT) at 50 years; (ii) flexible sigmoidoscopy (FS) every 5 years at 50 years; (iii) colonoscopy 10 yearly at 50 years; (iv) colonoscopy 10 yearly at 50 years among those with family history/NAFLD and yearly FIT at 50 years among those without; (v) colonoscopy 10 yearly at 40 years among those with family history/NAFLD and yearly FIT at 50 years among those without and (vi) colonoscopy 10 yearly at 40 years among those with family history/NAFLD and colonoscopy 10 yearly at 50 years among those without. The incremental cost-effectiveness ratio (ICER) was studied by Markov modeling. It was found that colonoscopy, FS and FIT reduced incidence of CRC by 49.5, 26.3 and 23.6%, respectively. Using strategies 4, 5 and 6, the corresponding reduction in CRC incidence was 29.9, 30.9 and 69.3% for family history, and 33.2, 34.7 and 69.8% for NAFLD. Compared with no screening, strategies 4 (US$1,018/life-year saved) and 5 (US$ 7,485) for family history offered the lowest ICER, whilst strategy 4 (US$5,877) for NAFLD was the most cost-effective. These findings were robust when assessed with a wide range of deterministic sensitivity analyses around the base case. These indicated that screening patients with family history or NAFLD by colonoscopy at 50 years was economically favorable.
All Author(s) ListWong MCS, Ching JYL, Chan VCW, Lam TYT, Luk AKC, Wong SH, Ng SC, Wong VWS, Ng SSM, Wu JCY, Chan FKL, Sung JJY
Journal nameInternational Journal of Cancer
Year2016
Month2
Day1
Volume Number138
Issue Number3
PublisherWILEY-BLACKWELL
Pages576 - 583
ISSN0020-7136
eISSN1097-0215
LanguagesEnglish-United Kingdom
Keywordscolorectal cancer; cost-effectiveness; family history; nonalcoholic fatty liver disease; screening
Web of Science Subject CategoriesOncology

Last updated on 2020-29-06 at 01:28