Clinical features

Why?

A red, hot, tender temporal artery makes giant cell arteritis more likely

Patient	Target Disorder and Reference Standard	Diagnostic Test	LR+ (95% CI)	Post-test Probability	LR- (95% CI)	Post-test Probability
suspected giant cell arteritis having a temporal artery biopsy b (pre-test probability: 53%)	giant cell arteritis (positive temporal artery biopsy)	red, hot, tender temporal artery	2.3 (1.6 to 3.4)	64%	0.24 (0.12 to 0.49)	16%