Combination Model of Thyrotrophin Receptor Antibody and Volumetric Orbital Apex Crowding Index as an Indicator of Dysthyroid Optic Neuropathy

Table 3

Parameters of receiver operating characteristic (ROC) curves of the multivariate model, volumetric orbital apex crowding index (VACI), and thyrotrophin receptor antibody (TRAb).

	The area under the ROC curve			Cutoff	Youden index	Sensitivity	Specificity
	Area	95% confidence interval
VACI	0.910	0.815	1.000	3.11	0.695	81.3%	88.2%
TRAb	0.759	0.597	0.921	17.05	0.607	81.3%	79.4%
Multivariate model	0.952	0.876	1.000	0.31	0.879	93.8%	94.1%