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Table 2 Characteristics of participants included in the study. The sample was composed of 384 cognitively unimpaired individuals, and 738 cognitively impaired, among which 539 were diagnosed with mild cognitive impairment and 199 with probable Alzheimer’s disease

From: Plasma pTau181 predicts cortical brain atrophy in aging and Alzheimer’s disease

Characteristics

CU

CI

Number of subjects

384

738

Age (mean, SD) in years

74.40 (6.50)

73.61 (7.94)

Females (n, %)

205 (53%)

311 (42%)

MMSE score (mean, SD)

29.06 (1.23)

26.36 (3.68)

Plasma pTau181 (mean, SD)

15.48 (10.02)

19.80 (10.75)

  1. Statistical difference between groups (P < 0.05)
  2. Statistical difference between groups (P < 0.001)