Table 4.

Sensitivity and specificity (%) vs CH for different MTA score thresholds

MTA cut-off	Sensitivity			Specificity
	AD	SVD	Mixed
≤ 74 years
N	77	19	26	99
0.5	96.1	89.5	92.3	36.4
1.0	81.8	84.2	80.8	67.7
1.5	66.2	47.4	53.8	97.0
2.0	48.1	26.3	42.3	100
≥ 75 years
N	21	6	25	6
0.5	95.2	83.3	100	0
1.0	90.5	66.7	88.0	16.7
1.5	76.2	50.0	72.0	66.7
2.0	61.9	16.7	48.0	100

MTA cut-off indicates lowest pathological mean MTA score (average right + left)

Dementia subtypes other than AD, vascular dementia and mixed dementia not shown (n (≤ 74 years) = 33, n (≥ 75 years) = 7)

AD Alzheimer’s disease, CH Cognitively healthy, Mixed Mixed dementia, MTA Medial temporal lobe atrophy, SVD Subcortical vascular dementia