Table 2 Summary of the classification performance of the proposed method
Test (%) | Statistical parameter | Database 1 | Database 2 | ||||
|---|---|---|---|---|---|---|---|
k-NN | MLPNN | SVM | k-NN | MLPNN | SVM | ||
20 | Specificity | 94.86 ± 1.48 | 96.08 ± 1.24 | 98.68 ± 1.02 | 94.50 ± 1.18 | 95.37 ± 1.64 | 97.86 ± 0.84 |
Sensitivity (neuropathy) | 96.46 ± 0.68 | 97.18 ± 0.96 | 98.98 ± 0.58 | 95.20 ± 1.69 | 96.26 ± 1.86 | 98.26 ± 0.94 | |
Sensitivity (myopathy) | 98.28 ± 1.27 | 98.82 ± 1.20 | 99.86 ± 0.86 | 97.90 ± 1.20 | 97.23 ± 1.02 | 98.98 ± 0.62 | |
Total classification accuracy | 96.53 ± 0.92 | 97.36 ± 0.74 | 99.17 ± 0.68 | 95.87 ± 0.85 | 96.28 ± 0.62 | 98.36 ± 0.48 | |
40 | Specificity | 92.54 ± 1.84 | 95.23 ± 1.84 | 98.42 ± 1.62 | 91.95 ± 2.01 | 94.78 ± 1.82 | 97.08 ± 1.58 |
Sensitivity (neuropathy) | 94.98 ± 1.92 | 96.02 ± 1.69 | 98.21 ± 1.82 | 94.55 ± 1.57 | 95.72 ± 2.02 | 98.26 ± 1.42 | |
Sensitivity (myopathy) | 98.18 ± 0.74 | 98.18 ± 0.92 | 99.26 ± 0.94 | 98.15 ± 0.91 | 97.56 ± 1.24 | 98.86 ± 1.08 | |
Total classification accuracy | 95.23 ± 0.86 | 96.47 ± 0.76 | 98.63 ± 0.82 | 94.88 ± 0.78 | 96.02 ± 0.89 | 98.06 ± 0.68 | |
50 | Specificity | 92.46 ± 2.26 | 95.46 ± 1.92 | 97.04 ± 2.12 | 91.24 ± 2.58 | 94.18 ± 2.26 | 96.12 ± 1.98 |
Sensitivity (neuropathy) | 93.78 ± 1.69 | 96.28 ± 1.96 | 98.98 ± 1.65 | 92.68 ± 1.72 | 95.23 ± 1.68 | 98.62 ± 1.28 | |
Sensitivity (myopathy) | 98.75 ± 0.94 | 98.92 ± 0.81 | 99.98 ± 1.46 | 98.04 ± 0.83 | 97.98 ± 1.24 | 99.24 ± 0.98 | |
Total classification accuracy | 94.99 ± 0.83 | 96.88 ± 0.68 | 98.63 ± 0.94 | 93.99 ± 0.97 | 95.79 ± 0.72 | 97.99 ± 0.82 | |
60 | Specificity | 91.89 ± 2.34 | 93.49 ± 3.02 | 96.78 ± 2.98 | 90.97 ± 2.00 | 92.43 ± 2.98 | 96.02 ± 2.46 |
Sensitivity (neuropathy) | 91.94 ± 2.28 | 95.82 ± 2.46 | 97.69 ± 2.46 | 91.10 ± 2.43 | 94.39 ± 2.04 | 96.92 ± 1.48 | |
Sensitivity (myopathy) | 97.64 ± 0.87 | 97.46 ± 1.04 | 99.43 ± 1.24 | 96.73 ± 0.64 | 95.45 ± 1.12 | 98.42 ± 1.12 | |
Total classification accuracy | 93.82 ± 0.93 | 95.59 ± 0.68 | 97.96 ± 0.86 | 92.93 ± 0.75 | 94.09 ± 0.74 | 97.12 ± 0.84 | |
80 | Specificity | 88.46 ± 2.46 | 92.63 ± 1.92 | 94.98 ± 1.95 | 87.73 ± 2.05 | 91.94 ± 2.02 | 94.76 ± 3.98 |
Sensitivity (neuropathy) | 88.12 ± 1.24 | 93.82 ± 1.28 | 97.84 ± 1.74 | 87.65 ± 1.61 | 92.83 ± 1.76 | 97.14 ± 1.92 | |
Sensitivity (myopathy) | 98.06 ± 1.29 | 95.92 ± 1.24 | 98.68 ± 1.84 | 97.60 ± 1.09 | 93.92 ± 1.82 | 97.64 ± 2.04 | |
Total classification accuracy | 91.54 ± 0.83 | 94.12 ± 0.98 | 97.16 ± 0.95 | 90.99 ± 0.82 | 92.89 ± 0.94 | 96.51 ± 0.96 | |