Table 1.
Demographic findings and test results of normal population and aMCI patients
| aMCI patients (n = 15) | Normal population (n = 29) | p-value | |
|---|---|---|---|
| Age, years |
65.3 ± 5.5 |
68.7 ± 5.5 |
0.066 |
| Sex, male (%) |
8 (53.3%) |
12 (41.4%) |
0.450 |
| Education, years |
9.2 ± 4.7 |
11.7 ± 4.7 |
0.111 |
| MMSE |
26.0 ± 2.0 |
28.2 ± 1.4 |
<0.001 |
| Part A, CPT (30) |
25.5 ± 3.5 |
27.7 ± 2.7 |
0.026 |
| Part B, CPT (30) |
16.3 ± 4.4 |
19.7 ± 3.7 |
0.011 |
| Attention |
|
|
|
| Digit span forward test (9) |
5.8 ± 1.4 |
|
|
| Working memory |
|
|
|
| Digit span backward test (8) |
3.4 ± 0.8 |
|
|
| Language function |
|
|
|
| K-BNT (60) |
43.2 ± 8.9 |
|
|
| Visuospatial function |
|
|
|
| RCFT Copy (36) |
31.3 ± 6.2 |
|
|
| Memory function |
|
|
|
| SVLT immediate recall (36) |
13.4 ± 3.4 |
|
|
| SVLT delayed recall (12) |
2.6 ± 1.4 |
|
|
| SVLT recognition (24) |
17.2 ± 1.7 |
|
|
| RCFT immediate recall (36) |
9.5 ± 5.6 |
|
|
| RCFT delayed recall (36) |
8.8 ± 5.1 |
|
|
| RCFT recognition (24) |
18.4 ± 2.7 |
|
|
| Frontal function |
|
|
|
| Contrasting program (20) |
19.2 ± 2.5 |
|
|
| Go-no go (20) |
19.6 ± 1.2 |
|
|
| Phonemic COWAT | 22.2 ± 6.9 |
aMCI, amnestic mild cognitive impairment; Mini-Mental State Examination; CPT, card-placing test; K-BNT, Korean version of Boston Naming Test; RCFT, Rey Complex Figure Test; SVLT, Seoul Verbal Learning Test; COWAT, Controlled Oral Word Association Test.
Data for all variables except for sex: mean ± SD.
The full mark for each test is presented in the brackets.