Table 2. CDR and GDS scores of the participants with aMCI or DAT.

Variables	aMCI (n=90)		DAT (n=53)		t	p value
	Mean±SD	Median (min–max)	Mean±SD	Median (min–max)
CDR-GS	0.50±0.00	0.50 (0.00–3.50)	0.85±0.23	1.00 (0.50–1.00)	−10.97	<0.001
CDR-SB	1.97±0.97	2.00 (1.00–4.50)	4.68±1.60	4.50 (2.00–9.00)	−11.18	<0.001
GDS	3.14±0.35	3.00 (3.00–4.00)	4.00±0.62	4.00 (3.00–5.00)	−9.20	<0.001

CDR: Clinical Dementia Rating, GDS: Global Deterioration Scale, aMCI: amnestic mild cognitive impairment, DAT: dementia of the Alzheimer's type, SD: standard deviation, CDR-GS: Clinical Dementia Rating-Global Score, CDR-SB: Clinical Dementia Rating-Sum of Boxes.