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 |