Table 5.

The result of diagnostic value of ultrasound measurements of muscular parameters in females.

	AUC	95% CI	P	Cutoff	Sensitivity (%)	Specificity (%)	Youden index	PPV (%)	NPV (%)
VL-MT	0.69	0.57–0.80	0.001	1.76	65.70	63.80	0.30	69.51	59.69
VL-MT/HT	0.69	0.57–0.80	0.002	1.13	74.30	61.70	0.36	70.91	65.65
VL-MT/BMI	0.64	0.53–0.76	0.018	0.09	68.60	59.60	0.28	68.08	60.17
VM-MT	0.71	0.60–0.82	<0.001	1.29	82.10	53.20	0.35	68.79	70.29
VM-MT/HT	0.71	0.60–0.82	<0.001	0.89	69.20	68.10	0.37	71.24	59.37
VM-MT/BMI	0.67	0.54–0.77	0.014	0.07	71.30	57.40	0.32	73.22	63.80
VM-CSA	0.85	0.77–0.93	<0.001	6.26	69.20	89.40	0.55	67.77	61.42
VM-CSA/HT	0.85	0.77–0.93	<0.001	4.01	66.70	91.50	0.58	90.79	68.79
VM-CSA/BMI	0.76	0.66–0.86	<0.001	0.27	92.30	53.20	0.46	71.25	84.61

AUC, area under curve; BMI, body mass index; CSA, cross-sectional area; HT, height; MT, muscle thickness; NPV, negative predictive values; PPV, positive predictive values; VL, vastus lateralis; VM, vastus medialis.