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Sensitivity, specificity, PPV, NPV and diagnostic accuracy of the SARC-F and SARC-F-Proxy.
| Sensitivity | Specificity | PPV | NPV | Diagnostic accuracy | |
|---|---|---|---|---|---|
| SARC-F-Patient | 63.2% | 70.0% | 80.5% | 49.2% | 65.5% |
| SARC-F-Proxy-Formal caregiver | 85.9% | 46.5% | 77.1% | 61.1% | 73.1% |
| SARC-F-Proxy-informal caregiver | 77.0% | 54.7% | 76.2% | 55.7% | 69.2% |
PPV positive predictive value, NPV negative predictive value.
