Table 1.
The demographics and neuropsychological tests of all the participants
| Characteristic,Mean ± SD | Control (n = 16) | MCI (n = 8) | T or χ2 statistic | P‐value |
|---|---|---|---|---|
| Age (years) | 63.1 ± 5.3 | 64.8 ± 7.2 | 0.97 | 0.38 |
| Education (years) | 11.2 ± 2.5 | 11.2 ± 3.0 | 0.11 | 0.90 |
| General mental status | ||||
| MMSE | 28.4 ± 1.1 | 26.3 ± 2.3 | 3.04 | <0.006 |
| Memory | ||||
| AVLT‐delay recall | 6.8 ± 2.5 | 3.6 ± 2.6 | 2.79 | <0.011 |
| AVLT‐total | 35.3 ± 10.4 | 23.4 ± 7.9 | 2.82 | <0.010 |
| Executive function | ||||
| Stroop test time (s) | 29.4 ± 6.2 | 38.4 ± 11.5 | −2.50 | <0.020 |
| Stroop test correct answers | 49.4 ± 0.7 | 46.3 ± 5.6 | 2.29 | <0.032 |
| Language ability | ||||
| BNT | 25.9 ± 2.2 | 23.9 ± 3.7 | 1.70 | NS |
The neuropsychological scores were compared between the MCI and control groups using t‐tests. P < 0.05 was considered to be significant. NS, not significant; MMSE, the Chinese version of the Mini‐Mental‐Status Examination; AVLT, Auditory Verbal Learning Test; BNT, Boston Naming Test.