Test accuracy of faecal calprotectin for inflammatory bowel disease in UK primary care: a retrospective cohort study of the IMRD-UK data.
Karoline FreemanSian Taylor-PhillipsBrian H WillisRonan RyanAileen ClarkePublished in: BMJ open (2021)
GPs can be confident in excluding IBD on the basis of a negative FC test in a population with low pretest risk but should interpret a positive test with caution. The applicability of national guidance to general practice needs to be improved.