Table 2. Performance comparison between single and combined features.

Parameters	Sensitivity (%)		Specificity (%)		Accuracy (%)
	SCR vs. control	Mild vs. Severe	SCR vs. control	Mild vs. Severe	SCR vs. control	Mild vs. Severe
BVT	91	93	85	90	87	93
BVD	87	93	80	87	82	92
VPI	81	80	78	78	80	80
FAZ area	94	91	92	89	94	91
FAZ contour irregularity	91	90	86	88	89	90
PAD	92	90	89	87	91	89
All 6 parameters	100	97	100	95	100	97