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Table 2 Number of cases and controls in each OA type

From: A genome-wide association study of copy-number variation identifies putative loci associated with osteoarthritis in Koreans

Study Classification system Cut-off value for OA Exact OA definition Knee OA Wrist OA
Cases Controls Cases Controls
KAREa K/L score 2 One definite osteophyte (original K ≥2) 167 467 204 467
  1. aKARE: the Korea Association Resource project.