Case definitions of knee osteoarthritis in 4,151 unselected subjects: relevance for epidemiological studies The Copenhagen Osteoarthritis Study

摘要

Introduction The aims of the present study were threefold: to examine the distribution of knee joint osteoarthritis in a large, standardized radiological study; to examine the relationships between self reported knee pain and radiological OA; and to examine the natural history of radio-morphological change over age in individuals without radiological features of OA.