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Table 2 Demographic, cognitive test and scale scores by diagnostic group

From: Relationship between the Montreal Cognitive Assessment and Mini-mental State Examination for assessment of mild cognitive impairment in older adults

Variable HC (n = 219) MCI (n = 299) AD dementia (n = 100) p-value*
Age (years) 77.69 ± 6.24 (63–94) 74.19 ± 7.91 (56–92) 77.58 ± 7.62 (56–92) <.0001
Sex (% male) 50.68 60.87 67.00 .0103
Education (years) 16.42 ± 2.72 (6–20) 16.18 ± 2.76 (8–20) 15.75 ± 3.08 (3–20) .1353
MMSE 29.07 ± 1.24 (23–30) 27.83 ± 1.92 (21–30) 20.31 ± 4.70 (7–30) <.0001
% subjects with MMSE ≥24 99.54 98.33 21.00 <.0001
MoCA 25.57 ± 2.75 (16–30) 23.41 ± 3.38 (13–30) 15.30 ± 5.51 (1–28) <.0001
% subjects with MoCA ≥17 99.54 96.32 48.00 <.0001
% subjects with MoCA ≥19 99.09 90.97 36.00 <.0001
% subjects with MoCA ≥23 87.67 65.89 7.00 <.0001
FAQ 0.30 ± 1.06 (0–10) 3.01 ± 4.20 (0–25) 18.63 ± 6.94 (4–30) <.001
% subjects with abnormal FAQa 0 % 1.7 % 60 % <.001
  1. Data are expressed as mean ± SD (range) except where frequencies are used for categorical data
  2. AD Alzheimer’s disease, ANOVA analysis of variance, HC healthy control, FAQ Functional Activities Questionnaire, MCI mild cognitive impairment, MMSE Mini Mental State Exam, MoCA Montreal Cognitive Assessment, SD standard deviation
  3. *chi-square test for categorical variables; F test (ANOVA) for continuous variables
  4. aabnormal FAQ defined as at least 3 items each with a score of 3 points