Table 2.

Results of ROC curve analyses for discriminating microvessel parameters in SVaD from those in controls.

	WMH-SVaD vs. PVWM-control		WMH-SVaD vs. DWM-control		NAWM-SVaD vs. PVWM-control		NAWM-SVaD vs. DWM-control
Parameter	AUC	95% CI	AUC	95% CI	AUC	95% CI	AUC	95% CI
BVf	0.563	0.472–0.650	0.683	0.595–0.762	0.66	0.571–0.741	0.509	0.416–0.602
Q	0.562	0.472–0.650	0.556	0.466–0.644	0.628	0.539–0.712	0.549	0.539–0.712
mVD	0.792a	0.711–0.859	0.861c	0.789–0.916	0.737	0.648–0.813	0.815e	0.734–0.880
VSI	0.864b	0.793–0.918	0.877d	0.807–0.928	0.735	0.647–0.811	0.761f	0.674–0.834

WMH, white matter hyperintensity; NAWM, normal appearing white matter; SVaD, subcortical vascular dementia; AUC, area under curve; SE, standard error; CI, confidence interval.

^aCutoff value, 2.863 μm; Sensitivity, 76.8; Specificity, 72.2.

^bCutoff value, 6.520 μm; Sensitivity, 82.1; Specificity, 76.4.

^cCutoff value, 2.377 μm; Sensitivity, 89.3; Specificity, 68.6.

^dCutoff value, 6.960 μm; Sensitivity, 78.6; Specificity, 83.3.

^eCutoff value, 2.477 μm; Sensitivity, 81.3; Specificity, 73.6.

^fCutoff value, 6.575 μm; Sensitivity, 68.8; Specificity, 76.4.