Table 6 The voting classifier’s evaluation metrics (%) using different lower limb joint strengths and the optimal set of lower limb muscle strength indicators of different genders
Features used | Hip joint extension force of both legs | Knee joint extension force of both legs | Ankle joint flexion force of both legs | Ankle joint flexion force of left leg and hip joint extension force of right leg |
|---|---|---|---|---|
Male | ||||
ACCTRS | 62.27 ± 3.42 | 65.00 ± 2.83 | 69.55 ± 2.29 | 72.58 ± 2.66 |
ACCTES | 60.59 ± 11.48 | 67.65 ± 11.54 | 70.00 ± 8.50 | 76.47 ± 11.76 |
AVAD | 12.06 ± 8.74 | 12.27 ± 7.45 | 8.62 ± 5.98 | 10.97 ± 10.13 |
Precision | 58.06 ± 13.08 | 66.85 ± 12.62 | 69.88 ± 10.62 | 71.45 ± 12.04 |
Sensitivity | 65.00 ± 20.00 | 63.75 ± 19.72 | 67.50 ± 12.75 | 87.50 ± 12.50 |
Specificity | 56.67 ± 18.89 | 71.11 ± 15.87 | 72.22 ± 15.91 | 66.67 ± 17.92 |
F1 Score | 59.99 ± 13.31 | 64.03 ± 14.07 | 67.80 ± 8.65 | 78.06 ± 10.21 |
AUC | 70.56 ± 16.08 | 71.67 ± 12.41 | 71.94 ± 12.39 | 79.03 ± 13.88 |
Features used | Hip joint extension force of both legs | Knee joint extension force of both legs | Ankle joint flexion force of both legs | Hip joint extension force and ankle joint flexion force of both legs |
|---|---|---|---|---|
Female | ||||
ACCTRS | 64.40 ± 3.55 | 52.62 ± 3.60 | 66.31 ± 3.01 | 73.69 ± 3.26 |
ACCTES | 67.06 ± 11.53 | 60.00 ± 8.65 | 71.18 ± 9.65 | 74.71 ± 9.86 |
AVAD | 12.47 ± 8.05 | 11.06 ± 7.72 | 10.46 ± 7.15 | 9.67 ± 6.18 |
Precision | 77.67 ± 8.44 | 73.14 ± 8.69 | 81.11 ± 10.26 | 87.40 ± 9.86 |
Sensitivity | 70.00 ± 16.79 | 61.82 ± 13.97 | 73.64 ± 14.35 | 72.73 ± 14.08 |
Specificity | 61.67 ± 19.79 | 56.67 ± 20.00 | 66.67 ± 18.26 | 78.33 ± 18.33 |
F1 Score | 72.44 ± 11.34 | 66.05 ± 8.97 | 76.25 ± 9.25 | 78.26 ± 9.29 |
AUC | 77.12 ± 16.69 | 67.88 ± 10.29 | 74.39 ± 13.88 | 80.45 ± 13.18 |