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Table 5 Performance indexes for the optimal subset and for each classification algorithm using 2-fold style under normal walking speed

From: The impact of feature extraction and selection for the classification of gait patterns between ACL deficient and intact knees based on different classification models

Algorithm

Feature set

SEN (%)

SPF (%)

ACC (%)

PPV (%)

NPV (%)

MCC

SVM

Opitmal feature set shown in Table 2

96.00

86.67

91.22

87.27

95.79

0.829

KNN

Opitmal feature set shown in Table 2

81.00

75.24

78.05

75.70

80.61

0.563

NB classifier

Opitmal feature set shown in Table 2

48.48

66.04

57.56

57.14

57.85

0.148

Decision tree

Opitmal feature set shown in Table 2

73.33

82.00

77.56

81.05

74.55

0.555

ELA classifier

Opitmal feature set shown in Table 2

70.43

77.78

73.66

80.20

67.31

0.479

  1. Bold values to highlight the relevant numbers