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Significant Spearman’s correlation coefficients between studied clinical parameters and inflammatory/cartilage biomarkers in synovial fluid
| Pair of parameters | R | P-value |
|---|---|---|
| MMP-1 vs. IL-20 | 0.72 | 0.004 |
| WOMAC vs. MMP-3 | 0.70 | 0.016 |
| WOMAC vs. MMP-1 | 0.53 | 0.049 |
| LI vs. IL-20 | 0.52 | 0.045 |
| KL vs. PG-AG | –0.56 | 0.030 |
| Age vs. IL-6 | –0.56 | 0.030 |
