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Table 5 Subject demographics for CSF

From: Rubidium and potassium levels are altered in Alzheimer’s disease brain and blood but not in cerebrospinal fluid

  Healthy controls (n = 36) Mild cognitive impairment (n = 7) Alzheimer’s disease (n = 9) p-value
Age (years) 71.8 (5.6) 68.3 (4.5) 71.3 (7.1) 0.40
Females (%) 58.0 57.1 33.3 0.41
% APOE ε4 carriers 19 0 44.4 0.20
  1. p-value calculated using a one-way ANOVA or chi squared test for percentages