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Sensitivity and specificity of each cutoff value of the PMCSA.
| PMCSA (mm2) | Sensitivity (%) | Specificity (%) |
|---|---|---|
| 387.21 | 100 | 0 |
| 442.92 | 100 | 15.0 |
| 492.02 | 95.0 | 40.0 |
| 611.67* | 75.0 | 75.0 |
| 706.69 | 60.0 | 85.0 |
| 813.80 | 30.0 | 95.0 |
PMCSA = piriformis muscle cross-sectional area, ROC = receiver operating characteristic.
The optimal cutoff value on the receiver operating characteristic (ROC) curve.
