Clinical features

Why?

No diarrhoea makes inflammatory bowel disease less likely

Patient	Target Disorder and Reference Standard	Diagnostic Test	LR+ (95% CI)	Post-test Probability	LR- (95% CI)	Post-test Probability
children with suspected inflammatory bowel disease a (pre-test probability: 42%)	inflammatory bowel disease (colonoscopy, histology)	diarrhoea	2.3 (1.7 to 3.2)	63%	0.18 (0.082 to 0.39)	12%