Table 1 Characteristics and demographics in ADNI123 and BioFINDER studies

Age: Mean (SD)

77.6 (8.9)

75.1 (7.1)

< 0.001

74.8 (8.00)

72.1 (5.7)

< 0.001

Sex: Female N (%)

88 (39.6)

197 (57.1)

< 0.001

106 (62.4)

376 (63.1)

0.932

APOE-ε2 carrier: N (%)

10 (4.5)

38 (11.0)

0.006

9 (5.3)

92 (15.4)

0.001

APOE-ε4 carrier: N (%)

139 (62.3)

111 (32.1)

< 0.001

112 (65.9)

191 (32.0)

< 0.001

APOE-ε3ε3 carrier: N (%)

77 (34.5)

200 (58.0)

< 0.001

52 (31.1)

326 (55.0)

< 0.001

Site:

 Lund N (%)

N/A

N/A

N/A

0 (0)

46 (7.7)

N/A

 Malmo N (%)

N/A

N/A

N/A

170 (100)

550 (92.3)

< 0.001