BSR Guideline 2009
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Criteria for diagnosis of polymyalgia rheumatica
Age over 65
ESR over 40 mm/hr
Bilateral upper arm tenderness
Morning stiffness of more than 1 hour
Onset of illness less than 2 weeks
Depression and/or weight loss
The presence of 3 or more of the above 6 criteria is required for the diagnosis of PMR.
The presence of any 3 of these criteria gives a sensitivity of 92% and a specificity of 80% for the diagnosis of PMR.
If an additional criterion of a rapid response to oral steroid therapy is added, this increases the sensitivity to 99%
Bird H. European diagnostic criteria for polymyalgia rheumatica. Ann Rheum Dis 2001;60 Suppl 1:10.
http://www.arc.org.uk/arthinfo/medpubs/6521/6521.asp
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