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Receiver operating characteristic curve analysis for optimal cut-offs.
| Parameters | Optimal cut-off | AUC | Sensitivity | Specificity |
|---|---|---|---|---|
| Flexibility, % | 18.1 | 0.686 | 0.682 | 0.704 |
| Correction rate, % | 28.8 | 0.736 | 0.773 | 0.691 |
| SCI | 1.21 | 0.583 | 0.591 | 0.605 |
AUC, area under the curve; SCI, supine correction index.
