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Table 2 Mean, standard deviation, and selected percentiles of the MoCA-K by age, educational level, and sex in the normal Korean elderly

From: Montreal cognitive assessment reflects cognitive reserve

Educational level (year) Male (n = 95) Female (n = 126)
  0–6 7–12 13- 0–6 7–12 13-
Age (year)
 60~ 74
  N 16 19 15 33 24 17
  Mean 23.44 24.05 25.33 21.88 23.54 25.12
  Standard deviation 2.80 3.47 1.92 3.55 2.89 2.37
  Lower quartile 21.25 22.0 24.0 19.0 21.0 23.0
  Median 23.0 25.0 26.0 23.0 23.50 26.0
  Upper quartile 25.50 27.0 27.0 24.50 26.0 26.0
 75~ 90
  N 13 16 16 23 14 15
  Mean 19.69 22.50 24.69 18.87 19.71 23.47
  Standard deviation 2.29 3.25 2.27 3.08 2.76 2.95
  Lower quartile 18.50 19.25 23.0 15.0 18.0 21.0
  Median 19.0 23.0 25.0 20.0 19.0 24.0
  Upper quartile 21.0 24.75 26.0 21.0 22.0 26.0
  1. MoCA-K Montreal Cognitive Assessment