Correlation between the change in symptoms of knee OA with the loss of cartilage volume
| Correlation coefficient* | p Value | |
|---|---|---|
| *Spearman’s correlation coefficient; †WOMAC pain, stiffness, and function subscales (higher score indicates worse symptoms); ‡results of SF-36 standardised to Australian normal values (lower score indicates worse function). | ||
| Increased pain score† | −0.28 | 0.002 |
| Increased stiffness score† | −0.17 | 0.07 |
| Increased function score† | −0.21 | 0.02 |
| Decreased physical function score‡ | 0.11 | 0.26 |
| Decreased mental function score‡ | −0.08 | 0.39 |