Questionnaires | Correlation analysis | ROC curve analysis | ||||
---|---|---|---|---|---|---|
Coefficient b | p-value | AUC (95% CI) | Optimal cutoff value | Sensitivity | Specificity | |
WOMAC | ||||||
Pain | 0.52 | < 0.001 | 0.76 (0.69, 0.83) | 22.50 | 0.68 | 0.76 |
Stiffness | 0.46 | < 0.001 | 0.74 (0.67, 0.81) | 6.25 | 0.89 | 0.53 |
Function | 0.45 | < 0.001 | 0.74 (0.67, 0.81) | 14.70 | 0.74 | 0.68 |
Total score | 0.52 | < 0.001 | 0.77 (0.70, 0.83) | 10.41 | 0.83 | 0.60 |
WHODAS 2.0 | ||||||
Cognition | 0.22 | 0.001 | 0.64 (0.56, 0.72) | −18.75 | 0.89 | 0.31 |
Mobility | 0.41 | < 0.001 | 0.72 (0.65, 0.80) | 6.25 | 0.76 | 0.58 |
Self-care | 0.26 | < 0.001 | 0.64 (0.56, 0.72) | 18.75 | 0.60 | 0.67 |
Getting along | 0.04 | 0.509 | 0.55 (0.46, 0.64) | 18.75 | 0.43 | 0.68 |
Life activities | 0.40 | < 0.001 | 0.68 (0.61, 0.76) | −6.25 | 0.91 | 0.39 |
Participation in society | 0.38 | < 0.001 | 0.68 (0.60, 0.76) | 6.83 | 0.70 | 0.58 |
Total score | 0.38 | < 0.001 | 0.71 (0.63, 0.78) | 22.31 | 0.51 | 0.82 |