Gout: Sensitivity and Specificity

Introduction: None written.

The sensitivity and specificity of findings for Gout are listed below. See the left navigation bar to change the display.

Sensitive and Specific Findings

96%

97%

i.e. clinical acute involvement of the great toe

Study: Ann Rheum Dis. 2006 Oct;65(10):1301-11. PMID: 16707533

Specific Findings

84%

100%

in synovial fluid during an acute attack

Study: Ann Rheum Dis. 2006 Oct;65(10):1301-11. PMID: 16707533

70%

95%

from synovial fluid in asymptomatic patients, i.e. in between attacks

Study: Ann Rheum Dis. 2006 Oct;65(10):1301-11. PMID: 16707533

Poorly Diagnostic Findings

67%

78%

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.