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Table 1 Sample characteristics and cognitive performance

From: The left frontal cortex supports reserve in aging by enhancing functional network efficiency

  Cognitively normal elderly subjects (N = 26)
Age, years 71.91 ± 5 [61.44–82.29]
Sex, male/female 10/16
Years of education 13.69 ± 2.99 [9–20]
fMRI task accuracy, % 0.8 ± 0.06 [0.71–0.91]
MMSE score (maximum 30) 29.42 ± 0.86 [27–30]
CERAD word list delayed free recall score (maximum 10) 8.83 ± 1.39 [6–10]
Geriatric Depression Scale score 3.23 ± 3.01 [0–10]
APOE ε4 carriers/noncarriers 9/17
  1. Abbreviations: APOE Apolipoprotein E, CERAD Consortium to Establish a Registry for Alzheimer’s Disease, fMRI Functional magnetic resonance imaging, MMSE Mini Mental State Examination
  2. Numbers are expressed as mean ± SD. Ranges are shown in square brackets