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Cut-off levels of serum decorin and WOMAC score for the prediction of osteoarthritis evaluated with receiver operator characteristic analysis
| Parameter | Cut-off | Specificity (%) | Sensitivity (%) | AUC (95% CI) |
|---|---|---|---|---|
| Decorin (serum) (ng/ml) | 15.71 | 73 | 68 | 0.723 (0.590-0.857)** |
| WOMAC score | 35 | 89 | 65 | 0.802 (0.688-0.916)*** |
P**<0.01, ***<0.001. WOMAC score, Western Ontario and McMaster Universities Osteoarthritis score; AUC, area under the curve; CI, confidence interval
