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Diagnostic accuracies based on nerve conduction studies (NCS)
| MNSI | SWMF | BT (15V as cut-off) | BT (25V as cut-off) | SRAR | F wave | |
|---|---|---|---|---|---|---|
| Sensitivity | 64.3% | 14.3% | 78.6% | 50% | 100% | 78.6% |
| Specificity | 67.6% | 94.1% | 52.9% | 91.2% | 23.5% | 76.5% |
| Positive Predictive Value | 45% | 50% | 40.7% | 70% | 35% | 57.9% |
| Negative Predictive Value | 82.1% | 72.7% | 85.7% | 81.6% | 100% | 89.7% |
MNSI - Michigan Neuropathy Screening Instrument; SWMF - Semmes Weinstein Monofilament; BT-Biothesiometer; SRAR - Sural Radial Amplitude Ratio
