Table 1.

Characteristics of patients.

	Converters n 38	Non-converters n 118	pᶧ
Age, years	69.6 (7.2)	63.4 (10.2)	0.001
Female, n (%)	21 (55.3)	49 (41.5)	0.139
Education, years	13.7 (3.6)	14.3 (3.4)	0.393
MMSE-NR score at baseline	27.4 (2.5)	28.2 (2.0)	0.091
CDR-SB score at baseline	1.19 (1.0)	0.98 (0.8)	0.256
Annual change in CDR-SB score*	1.14 (0.7)	−0.05 (0.5)	<0.001
APOE ɛ4 carriers, n (%)**	20 (62.5)	41 (41.0)	0.034
Hippocampus percentile	35.3 (31.2)	53.7 (32.3)	0.002
Whole brain volume	72.7 (3.4)	74.4 (3.9)	0.012
Follow-up time (in years)	3.2 (1.5)	2.6 (1.4)	0.029

All continuous variables are expressed as mean (SD). Bold values highlight significant differences (p < 0.05 two-tailed); MMSE-NR: Mini-Mental State Examination-Norwegian revision; CDR-SB: Clinical Dementia Rating Scale Sum of Boxes; ᶧStudent’s t test/χ2 test. *n 131, ** n 132.