Table 4 Diagnostic accuracy of Vibrasense and monofilament tests compared to NCS
Tests comparison | NCS diagnosis | Normal (N = 33) | Abnormal (N = 28) | ||
Test diagnosis | Positive | Negative | Positive | Negative | |
Vibrasense | 7 | 26 | 23 | 5 | |
10-g monofilament | 3 | 30 | 10 | 18 | |
Diagnostic accuracy | Parameter | Sensitivity | Specificity | PPV | NPV |
Vibrasense | 82.14% | 78.79% | 76.67% | 83.87% | |
10-g monofilament | 35.7% | 90.90% | 76.92% | 62.5% | |