Gout: Likelihood Ratios

Introduction: None written.

The likelihood ratios of findings for Gout are listed below. See the left navigation bar to change the display.

Good Positive and Negative Likelihood Ratios

Finding	+LR	-LR	Comments, Study
Podagra	32	0	i.e. clinical acute involvement of the great toe Study: Ann Rheum Dis. 2006 Oct;65(10):1301-11. PMID: 16707533
Monosodium Urate Crystals Duplicate	inf	0.2	in synovial fluid during an acute attack Study: Ann Rheum Dis. 2006 Oct;65(10):1301-11. PMID: 16707533
Monosodium Urate Crystals Duplicate	14	0.3	from synovial fluid in asymptomatic patients, i.e. in between attacks Study: Ann Rheum Dis. 2006 Oct;65(10):1301-11. PMID: 16707533
Uric Acid	3	0.4	uric acid > 6 mg/dl in aymptomatic patients. Measuring levels in acute attacks is not recommended, as they can be normal. Note that cutoffs depend on gender and age. Study: Ann Rheum Dis. 2006 Oct;65(10):1301-11. PMID: 16707533

Findings With Unspecified Accuracy

No accuracy specified.

Tophus may exude a chalky white substance if squeezed

Study: no study specified.