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Good Positive and Negative Likelihood Ratios

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Rheumatoid Arthritis: Likelihood Ratios

Introduction: None written.

[Edit Diagnosis] [Merge dx] [Add prevalence]

Tags: Autoimmune Musculoskeletal Tag this Diagnosis.

Prevalence

Population / CalculatorPrevalence Comments / Study / Link
argentina 1%
More, Edit...

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

Good Positive and Negative Likelihood Ratios

Finding +LR-LR Comments, Study
Anti-CCP Antibodies Edit 13.40.3

Study: Ann Intern Med. 2007 Jun 5;146(11):797-808. PMID: 17548411
Rheumatoid Factor Edit 40.3

specificity 80-95% depending on control population (e.g. age).

Sensitivity may be as low as 60% in initial stages of disease.

Study: Am Fam Physician. 2002 Mar 15;65(6):1073-80. PMID: 11925083

Poorly Diagnostic Findings

Finding +LR-LR Comments, Study
Elevated ESR Edit Sensitivity = 50%

Specificity not listed but reportedly low.

Study: Am Fam Physician. 2002 Mar 15;65(6):1073-80. PMID: 11925083

 

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