Table 4.

Classification results for discriminating MCI-stable versus MCI-converters and CN-stable versus CN-converters using novel computerized marker progression at different assessments

Results	Balanced accuracy (%)	Sensitivity (%)	Specificity (%)	AUC	n-c/n-s
MCI-converters versus MCI-stable
12 mo	87	84	87	0.87	14/47
24 mo	88	92	88	0.91	19/42
36 mo	91	93	89	0.91	22/39
48 mo	94	94	95	0.94	27/34
60 mo	93	94	93	0.94	37/24
CN-converters versus CN-stable
12 mo	89	83	91	0.85	1/70
24 mo	91	87	93	0.88	6/65
36 mo	92	85	95	0.89	9/62
48 mo	93	88	94	0.88	10/61
60 mo	96	100	94	0.95	12/59

Abbreviations: MCI, mild cognitive impairment; CN, cognitively normal; AUC, area under receiver operating characteristic curve; n-c, number of converters; n-s, number of stable subjects.