Correlation between symptoms of knee OA at baseline and annual loss of tibial 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† | 0.13 | 0.14 |
| Increased stiffness score† | 0.09 | 0.32 |
| Increased function score† | 0.15 | 0.10 |
| Decreased physical function score‡ | −0.07 | 0.42 |
| Decreased mental function score‡ | 0.18 | 0.05 |