Validity and reliability of three definitions of hip osteoarthritis- cross sectional and longitudinal approach

Description: Reijman et al 2004 Annals Rheumatic Diseases
Objectives: To compare the reliability and validity in a large open population of three frequently used radiological definitions of hip osteoarthritis (OA): Kellgren and Lawrence grade, minimal joint space (MJS), and Croft grade; and to investigate whether the validity of the three definitions of hip OA is sex dependent.
Conclusions: Based on these findings, Kellgren and Lawrence still appears to be a useful OA definition for epidemiological studies focusing on the presence of hip OA.
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