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Sensitivity and specificity values for ultrasound-derived muscle thickness for diagnosis of sarcopenia.
| Method | Area under curve | Cutoffs | Sensitivity | Specificity | P-value |
|---|---|---|---|---|---|
| Thigh muscle thickness, cm | |||||
| Males | 0.748 | 1.9 | 70% | 70% | 0.000 |
| Females | 0.594 | 1.7 | 70% | 55% | 0.10 |
| Rectus femoris thickness, cm | |||||
| Males | 0.749 | 1.1 | 76% | 64% | 0.000 |
| Females | 0.628 | 1.0 | 70% | 55% | 0.09 |
