Table 3.

ROC curves for predicting MAU

Variates	MAU
	AUC	P	95%CI	Cut-off value	Sensitivity	Specificity
CDBP	0.663	< 0.001	0.614 ~ 0.709	101mmHg	49.5%	77.4%
UA	0.613	< 0.001	0.563 ~ 0.661	421µmol/L	48.1%	72.2%
PA	0.574	0.032	0.524 ~ 0.622	14.1 ng/dL	57.0%	60.2%
Combined	0.709	< 0.001	0.662 ~ 0.753	0.337	50.0%	86.4%

Abbreviations: MAU, microalbuminuria; CDBP, central diastolic blood pressure; UA, uric acid; PA, plasma aldosterone