Diagnostic Accuracy of the Overlapping Infinity Loops, Wire Cube, and Clock Drawing Tests for Cognitive Impairment in Mild Cognitive Impairment and Dementia
Table 1
Characteristics.
Nondementia
Dementia () N (%)
Differences between groups
NC (): N (%)
MCI () N (%)
Gender (male)
17 (28.3)
14 (40)
13 (27.7)
ns
Age (years): mean (SD)
66.2 (7.0)
69.9 (8.1)
74.7 (8.9)
b, c
Years of education: mean (SD)
9.7 (5.2)
9.2 (5.4)
8.7 (4.9)
ns
TMSE score
26.9 (2.1)
—
17.2 (3.2)
b
MoCA score
25.3 (2.2)
18.9 (2.6)
—
a
Infinity loops score
a, b, c
0 (incorrect)
2 (3.3)
6 (17.1)
30 (63.8)
1 (correct)
58 (96.7)
29 (82.9)
17 (36.2)
Cube score
a, b, c
0 (incorrect)
0 (0)
8 (22.9)
23 (48.9)
1 (partial correct)
28 (46.7)
15 (42.9)
21 (44.7)
2 (correct)
32 (53.3)
12 (34.2)
3 (6.4)
Clock drawing test: mean (SD)
4.5 (0.9)
3.7 (1.3)
1.9 (1.3)
a, b, c
ns = nonsignificant; NC = normal controls; MCI = mild cognitive impairment; TMSE = Thai Mental State Examination; MoCA = Montreal Cognitive Assessment. a = NC versus MCI; b = NC versus dementia; c = MCI versus dementia. , , .
