TABLE 2.

Clustering accuracy.

Configuration	Test (s)	% Correctly clustered in HC group	% Correctly clustered in MCI group	% Correctly clustered in D group
Conf1	VPS and HAS	98.3	86.6	88.3
Conf2	VPS and VAS	96.6	93.3	76.6
Conf3	HAS and VAS	100	91.6	93.3
Conf4	VPS, HAS, and VAS	98.3	96.6	91.6
Conf5	VPS	51.67	68.33	83.33
Conf6	HAS	88.33	83.33	83.33
Conf7	VAS	85	80	86.6
Conf8	HPS	68.33	53.33	56.67
Conf9	MGS	83.33	66.67	76.67
Conf10	HPS and VPS	100	50	65
Conf11	HPS and HAS	96.7	70	83.3
Conf12	HPS and VAS	100	53.3	75
Conf13	HPS and MGF	88.33	56.7	73.3
Conf14	MGF and VPS	51.67	68.3	83.3
Conf15	MGF and HAS	98.33	80	86.7
Conf16	MGF and VAS	95	80	86.7
Conf17	HPS, VPS, and HAS	100.0	55.0	70.0
Conf18	HPS, VPS, and VAS	98.3	85.0	90.0
Conf19	HPS, VPS, and MGS	98.3	50.0	68.3
Conf20	HPS, HAS, and VAS	100.0	86.7	93.3
Conf21	HPS, HAS, and MGS	100.0	58.3	53.3
Conf22	HPS, VAS, and MGS	100.0	53.3	75.0
Conf23	VPS, HAS, and VAS	98.3	96.7	91.7
Conf24	VPS, HAS, and MGS	96.7	93.3	76.7
Conf25	VPS, VAS, and MGS	98.3	86.7	90.0
Conf26	HPS, VPS, HAS, and VAS	98.3	96.7	91.7
Conf27	HPS, VPS, HAS, and MGS	100.0	95.0	75.0
Conf28	HPS, VPS, VAS, and MGS	98.3	85.0	90.0
Conf29	HPS, HAS, VAS, and MGS	100.0	86.7	93.3
Conf30	VPS, HAS, VAS, and MGS	98.3	96.7	91.7
Conf31	HPS, HAS, VPS, VAS, and MGS	98.3	96.7	91.7

HC, healthy aging control; MCI, mild cognitive impairment; D, advanced stage of cognitive decline. Bold values indicate the maximum values of clustering accuracy (corresponding to a particular group) for a particular combination of oculomotor Performance indices.