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Table 2 AQT naming-time differences (s) based on demographic variables in three groups of control, elderly 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)
Mean ± SD Mean ± SD Mean ± SD
Color Form Color-Form Color Form Color-Form Color Form Color-Form
Groups 38.20 ± 11.03 57.59 ± 13.18 108.08 ± 37.75 38.87 ± 14.21 120.15 ± 45.93 205.25 ± 100.79 84.31 ± 24.17 208.57 ± 64.41 338.67 ± 136.38
P- value P < 0.001
Df = 2
P < 0.001
Df = 2
P < 0.001
Df = 2
Age r = 0.09
P = 0.55
r = 0.05
P = 0.74
r = 0.28
P = 0.06
r = 0.01
P = 0.98
r = 0.14
P = 0.36
r = 0.11
P = 0.48
r = − 0.37
P = 0.08
r = − 0.41
P = 0.06
r = − 0.31
P = 0.14
Sex Male 34.79 ± 8.8 34.74 ± 8.74 78.11 ± 18.9 57.82 ± 14.55 111.29 ± 44.85 198.94 ± 70.88 102.42 ± 41.57 315.25 ± 110.32 315.25 ± 110.32
Female 40.69 ± 11.96 41.88 ± 16.68 88.85 ± 26.85 56.92 ± 8.65 145.25 ± 40.77 235.83 ± 28.27 113.75 ± 34.38 362.08 ± 159.76 362.08 ± 159.76
P- value P = 0.08
Df = 43
P = 0.09
Df = 43
P = 0.14
Df = 43
P = 0.84
Df = 44
P = 0.06
Df = 44
P = 0.08
Df = 44
P = 0.47
Df = 22
P = 0.41
Df = 22
P = 0.41
Df = 22
Education Illiterate 63.09 ± 19.75 137.64 ± 47.40 250 ± 64.11 108.33 ± 56.78 221.11 ± 147.87 349.44 ± 102.23
Grade school 42.5 ± 10.41 45.5 ± 13.1 87.75 ± 8.77 54.29 ± 8.47 114.38 ± 42.75 196.04 ± 62.95 103.89 ± 23.02 200.11 ± 68.71 359.78 ± 185.09
Middle school 42.17 ± 8.54 51.67 ± 14.22 95.67 ± 20.68 47 ± 2.82 76.50 ± 19.09 135 ± 21.21 102.5 ± 10.61 210 ± 42.42 267.5 ± 60.1
Upper school 38.73 ± 8.99 35.55 ± 4.46 92.82 ± 23.16 60.86 ± 12.79 112.86 ± 52.58 208.71 ± 54.59 119.75 ± 24.98 178.75 ± 67.87 302.50 ± 123.93
University education 36.25 ± 12.49 36.08 ± 15.74 77 ± 25.61 66 ± 15.55 162.50 ± 38.89 204 ± 50.91
P- value P = 0.55
Df = 44
F = 0.71
P = 0.06
Df = 44
F = 2.70
P = 0.17
Df = 44
F = 1.73
P = 0.2
Df = 45
F = 1.56
P = 0.33
Df = 45
F = 1.47
P = 0.08
Df = 45
F = 2.24
P = 0.92
Df = 23
F = 0.16
P = 0.92
Df = 23
F = 0.15
P = 0.8
Df = 23
F = 0.33