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Table 1 Demographic characteristics of study population

From: Knowledge-driven binning approach for rare variant association analysis: application to neuroimaging biomarkers in Alzheimer’s disease

  CN EMCI LMCI AD
N 255 218 232 45
Gender (M/F) 129/126 120/98 148/84 28/17
Age
(mean (SD))
74.38 (5.47) 71.12 (7.46) 73.16 (7.27) 74.76 (9.25)
Education (mean (SD)) 16.4 (2.7) 16.0 (2.7) 16.1 (3.0) 15.7 (2.7)
APOE ε4
(absence/presence)
185/70 131/87 113/119 12/33
  1. CN cognitive normal older subject, EMCI early mild cognitive impairment, LMCI late MCI, SD standard deviation