Table 1. Baseline subject characteristics.

	ADNI			ADNI Subset			AddNeuroMed
	CTL	MCI	AD	CTL	MCI	AD	CTL	MCI	AD
N	191	226	147	18	89	4	110	119	119
Age	75.8±5.0	74.7±6.9	75.0±7.4	77.7±5.4	74.7±7.5	77.2±6.6	72.9±6.5	74.3±5.7	75.5±6.0
Female/Male	94/97	84/142	71/76	7/11	37/52	2/2	60/50	59/50	60/40
Education	16.1±2.8	15.8±2.9	14.8±3.0	16.6±2.6	15.6±3.0	13±3.8	10.8±4.8	8.9±4.3	8.0±4.0
MMSE	29.1±1.0	27.1±1.8	23.4±1.9	29.1±0.8	26.7±1.6	25.0±1.4	29.1±1.2	27.1±1.7	20.9±4.7
CDR-SOB	0.03±0.1	1.56±0.9	4.26±1.6	0.03±0.1	1.66±0.9	4.00±0.9	0.06±0.2	1.38±0.9	6.50±3.2
ApoE 4+ (%)	25.1	48.7	64.0	38.9	62.9	100	28.2	32.8	53.8

Data shown as mean ± standard deviation. Education is presented in years. ADNI subset refers to the group of reverters and later converters which were used for validation of the model but were not included in the training of the model. AD = Alzheimer’s disease, MCI = Mild Cognitive Impairment, CTL = healthy control, MMSE = Mini Mental State Examination. CDR-SOB – Clinical Dementia Rating – Sum Of Boxes.