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