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1.	McCulloch, Sofia, et al. (författare) The diagnostic value of a change in bowel habit for colorectal cancer within different age groups 2020 Ingår i: United European Gastroenterology Journal. - : Wiley. - 2050-6406 .- 2050-6414. ; 8:2, s. 211-219 Tidskriftsartikel (refereegranskat)abstract Background Change in bowel habit as a sole alarm symptom for colorectal cancer is disputed. Objective We investigated the diagnostic value of change in bowel habit for colorectal cancer, particularly as a single symptom and within different age groups. Methods This retrospective cohort study examined colorectal cancer fast track referrals and outcomes across four Swedish hospitals (April 2016-May 2017). Entry criteria constituted one or more of three alarm features: anaemia, visible rectal bleeding, or change in bowel habit for more than 4 weeks in patients over 40 years of age. Patients were grouped as having only change in bowel habit, change in bowel habit plus anaemia/bleeding or anaemia/bleeding only. Results Of 628 patients, 22% were diagnosed with colorectal cancer. There were no cases of colorectal cancer in the only change in bowel habit group under 55 years, while this was 6% for 55-64 years, 8% for 65-74 years and 14% for 75 years and older. Among subjects under 55 years, 2% with anaemia/bleeding had colorectal cancer, this increased to 34% for 55 years and older (P < 0.0001). Change in bowel habit plus anaemia/bleeding gave a colorectal cancer prevalence of 16% in under 55 years and increased to 30% for 55 years and older (P = 0.07). Conclusion Change in bowel habit as the only alarm feature has a low diagnostic yield for colorectal cancer in patients under 55 years.

McCulloch, Sofia, et al. (författare)
The diagnostic value of a change in bowel habit for colorectal cancer within different age groups
2020
Ingår i: United European Gastroenterology Journal. - : Wiley. - 2050-6406 .- 2050-6414. ; 8:2, s. 211-219
Tidskriftsartikel (refereegranskat)abstract
- Background Change in bowel habit as a sole alarm symptom for colorectal cancer is disputed. Objective We investigated the diagnostic value of change in bowel habit for colorectal cancer, particularly as a single symptom and within different age groups. Methods This retrospective cohort study examined colorectal cancer fast track referrals and outcomes across four Swedish hospitals (April 2016-May 2017). Entry criteria constituted one or more of three alarm features: anaemia, visible rectal bleeding, or change in bowel habit for more than 4 weeks in patients over 40 years of age. Patients were grouped as having only change in bowel habit, change in bowel habit plus anaemia/bleeding or anaemia/bleeding only. Results Of 628 patients, 22% were diagnosed with colorectal cancer. There were no cases of colorectal cancer in the only change in bowel habit group under 55 years, while this was 6% for 55-64 years, 8% for 65-74 years and 14% for 75 years and older. Among subjects under 55 years, 2% with anaemia/bleeding had colorectal cancer, this increased to 34% for 55 years and older (P < 0.0001). Change in bowel habit plus anaemia/bleeding gave a colorectal cancer prevalence of 16% in under 55 years and increased to 30% for 55 years and older (P = 0.07). Conclusion Change in bowel habit as the only alarm feature has a low diagnostic yield for colorectal cancer in patients under 55 years.

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