DS21, a new noninvasive technology, is effective and safe for screening for prediabetes and diabetes in Chinese population

Table 3 The AUCROC of hands–feet, hands, and feet conductance value for distinguishing NC/AGM, NC/IGR, NDM/DM, and IGR/DM

	NC/AGM		NC/IGR		NDM/DM		IGR/DM
	AUCROC	P value	AUCROC	P value	AUCROC	P value	AUCROC	P value
Hands–feet	0.781 [95% CI 0.752, 0.811]	< 0.001	0.766 [95% CI 0.730, 0.803]	< 0.001	0.683 [95% CI 0.647, 0.719]	< 0.001	0.570 [95% CI 0.525, 0.615]	< 0.001
Hands	0.782 [95% CI 0.752, 0.812]	< 0.001	0.761 [95% CI 0.723, 0.798]	< 0.001	0.688 [95% CI 0.653, 0.723]	< 0.001	0.573 [95% CI 0.528, 0.617]	< 0.001
Feet	0.775 [95% CI 0.745, 0.805]	< 0.001	0.765 [95% CI 0.728, 0.802]	< 0.001	0.675 [95% CI 0.638, 0.712]	< 0.001	0.566 [95% CI 0.521, 0.610]	< 0.001

NC normal control, AGM, abnormal glucose metabolism (including IGR + DM); IGR impaired glucose regulation, NDM non-diabetes (including NC + IGR), DM diabetes, CI confidence interval

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