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Table 1 Demographic characteristics of the study participants

From: Association between increased levels of amyloid-β oligomers in plasma and episodic memory loss in Alzheimer’s disease

  AD group (n = 30) Control group (n = 28) t/χ2 p value
Age (years), mean (SD) 76.9 (5.8) 71.9 (7.2) − 2.88 0.006
Sex, M/F (n) 15/15 7/21 5.59 0.05
Education (years), mean (SD) 13.6 (2.7) 14.3 (1.9) 1.06 0.30
APOEε4 carriers (n) 16 5 7.89 0.005
  1. The two-tailed chi-square (χ2) test was used to compare the distribution of sex and APOEε4 status in the two groups. Student’s t tests (t) were used for age and education
  2. AD Alzheimer’s disease, SD standard deviation