To evaluate 10 biomarkers in magnetic resonance imaging (MRI)-determined, pre-radiographically defined osteoarthritis (pre-ROA) and radiographically defined OA (ROA) in a population-based cohort of subjects with symptomatic knee pain.
University of British Columbia, and Arthritis Research Centre of Canada, Vancouver General Hospital, Vancouver, British Columbia, Canada. jcibere@arthritisresearch.ca