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Table 1 Demographic variables in three groups of control, with MCI and dementia

From: Reliability and validity of a quick test of cognitive speed (AQT) in screening for mild cognitive impairment and dementia

  Controls (n = 45) Older patients with MCI (n = 46) Older patients with dementia (n = 24)
n   n % n %
Age 69.24 ± 7.34 74.22 ± 6.21 78.54 ± 5.38
Sex Male 19 42.22 34 73.91 12 50
Female 26 57.78 12 26.09 12 50
Marital status Married 32 71.1 26 56.5 9 37.5
Widow/widower 8 17.8 9 41.3 13 54.2
Divorced 5 11.1 1 2.2 2 8.3
Education Illiterate 11 23.9 9 37.5
Grade school 4 8.9 24 52.2 9 37.5
Middle school 6 13.3 2 4.3 2 8.3
Upper school 11 24.4 7 15.2 4 16.7
University education 11 23.9 9 37.5