A new study published in Arthritis Care & Research, December 2010 print issue reports that 
those patients with knee osteoarthritis who have pain in other joints as well are more likely to experience greater pain in the knee.
The lower back, foot, and elbow pain on the same side as the affected knee were associated with more severe knee pain.
The researchers analyzed data from the Osteoarthritis Initiative, a database including 1389 individuals aged 45 to 79 years with symptomatic tibiofemoral knee OA.
Musculoskeletal pain in other areas, including the lower back, neck, shoulder, elbow, wrist, hand, hip, knee, ankle, or foot, was also documented by the patients.
The study has many implications including identification of risk for poor outcomes.
The study was supported by the National Institutes of Health and commercial funding from Merck Research Laboratories, Novartis Pharmaceuticals Corp, GlaxoSmithKline, and Pfizer, Inc.
Arthritis Care Res. December 2010. Abstract
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