Table 2: Demographic characteristics and cognitive status at baseline in cognitively normal subjects (n = 601) and MCI or AD subjects (n = 627).

Variables Cognitively normal n = 601 MCI/AD n = 627 P-value
Age (years); mean (SD) 79.96 (6.79) 81.75 (6.68) 0.01
Male; n (%) 245 (41%) 263 (41.9%) 0.69
Education (years); mean (SD) 9.36 (4.03) 8.32 (5.58) 0.01
3MS-CSHA1; mean (SD) 85.68 (9.10) 71.82 (10.62) 0.01
3MS-CSHA2; mean (SD) 81.53 (14.42) 59.19 (21.34) 0.01
FI; mean (SD) 0.17 (0.97) 0.22 (0.12) 0.01
NFI; mean (SD) 7.33 (4.39) 15.58 (6.84) 0.01