Gender-specific sarcopenia screening in hemodialysis: insights from lower limb strength and physiological indicators

Table 7 The voting classifier’s evaluation metrics (%) and comparison results using optimal comprehensive physiological indicators and lower limb muscle strength indicators for MHD patients of different genders

Features used	Age, fasting blood glucose, and parathyroid hormone	Ankle joint flexion force of left leg and hip joint extension force of right leg	Age, fasting blood glucose, parathyroid hormone, ankle joint flexion force of left leg and hip joint extension force of right leg
Male
ACCTRS	86.59 ± 1.89	72.58 ± 2.66	78.79 ± 2.25
ACCTES	80.71 ± 4.29	76.47 ± 11.76	70.59 ± 10.85
AVAD	6.61 ± 3.63	10.97 ± 10.13	12.73 ± 8.41
Precision	79.28 ± 9.86	71.45 ± 12.04	65.67 ± 11.37
Sensitivity	77.50 ± 11.21	87.50 ± 12.50	81.25 ± 17.00
Specificity	83.12 ± 9.70	66.67 ± 17.92	61.11 ± 16.67
F1 Score	77.32 ± 5.36	78.06 ± 10.21	71.82 ± 12.12
AUC	87.40 ± 4.41	79.03 ± 13.88	81.53 ± 10.23

Features used	Age, grip strength, total bilirubin, and post-dialysis creatinine	Hip joint extension force and ankle joint flexion force of both legs	Age, grip strength, total bilirubin, and post-dialysis creatinine, hip joint extension force and ankle joint flexion force of both legs
Female
ACCTRS	66.73 ± 4.28	73.69 ± 3.26	96.55 ± 1.35
ACCTES	74.29 ± 8.57	74.71 ± 9.86	87.06 ± 8.65
AVAD	12.72 ± 5.77	9.67 ± 6.18	10.68 ± 8.14
Precision	81.86 ± 7.58	87.40 ± 9.86	91.15 ± 9.79
Sensitivity	76.15 ± 13.95	72.73 ± 14.08	90.00 ± 8.58
Specificity	71.25 ± 15.86	78.33 ± 18.33	81.67 ± 20.34
F1 Score	78.04 ± 8.85	78.26 ± 9.29	90.06 ± 6.44
AUC	77.69 ± 7.92	80.45 ± 13.18	90.45 ± 5.94

ACCTRS: accuracy of training set, ACCTES: accuracy of test set, AVAD: absolute value of accuracy difference between training set and test set, AUC: the area under the receiver operating characteristic curve

ISSN: 1471-2369