Population trends in the incidence and initial management of osteoarthritis : age-period-cohort analysis of the Clinical Practice Research Datalink, 1992-2013
Objective: To determine recent trends in the rate and management of new cases of OA presenting to primary healthcare using UK nationally representative data.Methods: Using the Clinical Practice Research Datalink we identified new cases of diagnosed OA and clinical OA (including OA-relevant peripheral joint pain in those aged over 45 years) using established code lists. For both definitions we esti