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Table 4 Subject demographics for platelets

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

  Healthy controls (n = 50) Mild cognitive impairment (n = 7) Alzheimer’s disease (n = 41) p-value
Age (years) 73.8 (6.3) 71.6 (4.8) 80.8 (7.8) <0.001
Females (%) 60 14.3 75.6 <0.01
% APOE ε4 carriers 20 28.6 75.6 <0.001
  1. p-value calculated using a one-way ANOVA or chi-squared test for percentages