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Table 2 Summary of the classification performance of the proposed method

From: An EMG-based feature extraction method using a normalized weight vertical visibility algorithm for myopathy and neuropathy detection

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
  1. Italic values mean total classification accuracy
  2. All values show in mean ± standard deviation