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Table 4 WOMAC index subclasses

From: Role of adding T2 mapping sequence to the routine MR imaging protocol in the assessment of articular knee cartilage in osteoarthritis

WOMAC index (Likert scale) Range Mean ± SD
Pain 2.1–7.2 4 ± 2
Stiffness 0–3.2 1.5 ± 0.7
Physical function 3.1–21.9 10 ± 4.9
Total score 5.2–32.3 15.5 ± 7.6