Table 3 Baseline demographics by APOE-ε4 status

Mean age (SD)

85.2 (9.1)

83.0 (9.3)

81.5 (8.5)

0.162*

Gender male no. (%)

48 (50.0)

49 (51.6)

6 (54.5)

0.948†

 None

16

3

0

<0.001†

 Low

41

18

0

 Intermediate

15

23

4

 High

24

51

7

Mean MMSE (SD)

16.1 (12.5)

12.2 (11.0)

9.0 (9.8)

0.063*

Mean CDR Global Score (SD)

1.6 (1.3)

2.0 (1.2)

2.8 (0.8)

0.002*

Mean CDR SOB

8.8 (8.0)

12.2 (6.8)

16.2 (5.1)

<0.001*