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Table 2 Distribution of Disease Severity within the Study Cohort for Individual Articular Elements.

From: Empirical evaluation of the inter-relationship of articular elements involved in the pathoanatomy of knee osteoarthritis using Magnetic Resonance Imaging

  Severity of Disease
Articular Element None Mild Moderate Severe Total
Cartilage 1 46 37 16 100
Osteophytes 33 35 11 21 100
Bone Marrow Lesions 63 31 5 1 100
Effusion 32 36 26 6 100
Synovitis 84 9 6 1 100
Subchondral Sclerosis 37 36 18 9 100
  1. For all articular elements included in this table, the data are represented in terms of percentage of the total cohort having evidence of pathological changes of that type on MRI. Each row represents an individual articular element. Criteria for assessing the severity of each element (Cartilage, Osteophytes, Bone Marrow Lesions, Effusion, Synovitis and Subchondral Sclerosis) are given in Table 1.