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. Author manuscript; available in PMC: 2023 Mar 1.
Published in final edited form as: Neurobiol Aging. 2021 Nov 20;111:35–43. doi: 10.1016/j.neurobiolaging.2021.11.003

Table 1.

Descriptive statistics for demographic characteristics and cognitive domains at first MRI (N = 376)

Measure Mean SD
Age (years) 75.94 6.32
Education (years) 15.25 3.22
# Female (%) 309/376 (82.2%)
Global Cognition 0.123 0.527
Episodic Memory 0.291 0.631
Semantic Memory 0.040 0.752
Working Memory −0.012 0.760
Perceptual Speed 0.139 0.861
Visuospatial Ability −0.148 0.769