Table 3 Risk status calculated by M24:

a: Subjects' characteristics

number of subjects

88

220

115

Sex ratio (men/women)

43/45

109/111

62/53

0.709

.702

Age (years)

25.0 (6.7)

24.8 (6.2)

24.1 (4.4)

0.718

.489

Education (years)

15.5 (2.6)

15.5 (2.9)

15.6 (2.2)

0.010

.990

b: Cognitive variables

Spatial span

19.09 (2.88)

18.84 (3.15)

19.50 (2.62)

1.900

.151

Letter-number-span test

16.36 (2.52)

16.23 (2.55)

17.31 (2.28)

7.600

.001

Trail Making Test

58.29 (15.00)

62.84 (19.50)

57.85 (16.34)

3.845

.022

Semantic verbal fluency

30.75 (8.88)

30.86 (9.22)

32.72 (9.56)

1.754

.174

Lexical verbal fluency

17.38 (4.25)

16.47 (4.53)

16.98 (4.90)

1.348

.261

d2-test

201.3 (35.7)

187.7 (33.7)

198.4 (33.4)

6.663

.001