Table 2.
Demographic data of MCI subjects
| MCIn | MCIc | P value | |
|---|---|---|---|
| N | 29 | 50 | |
| Time (y)a | 2.34 ± 1.09 | 1.30 ± 0.90 | |
| Age (y) | 71.96 ± 5.7 | 74.42 ± 5.3 | F = 3.66, P = 0.06b |
| Gender (M:F) | 14:15 | 20:30 | χ 2 = 2, P = 0.15c |
| MMSE | 28.8 ± 1.1 | 26.3 ± 2.4 | F = 27.33, P = 1.42 × 10−6 b |
| FAQ | 3.17 ± 1.62 | 5.04 ± 4.34 | F = 4.93, P = 0.029b |
| Boston | 10.10 ± 1.31 | 8.82 ± 1.61 | F = 13.22, P = 4.97 × 10−4 b |
| Phon. Flu. | 8.78 ± 2.23 | 8.11 ± 2.02 | F = 1.86, P = 0.17b |
| Sem. Flu. | 11.49 ± 2.28 | 10.31 ± 2.58 | F = 4.11, P = 0.046b |
| Imm. Recall | 4.03 ± 1.08 | 3.74 ± 1.09 | F = 1.30, P = 0.25b |
| Del. Recall | 1.24 ± 0.68 | 0.95 ± 0.88 | F = 2.15, P = 0.14b |
| FDS | 5.20 ± 0.81 | 5.28 ± 1.37 | F = 0.06, P = 0.79b |
| BDS | 3.58 ± 0.73 | 3.42 ± 1.14 | F = 0.49, P = 0.48b |
Subjects in MCIn group are those nonconverter MCI subjects with a follow‐up time >1 year. Values expressed as mean ± standard deviation.
a
Time to conversion for MCIc (AD diagnosis date–first MR date) and follow‐up time for MCIn (years).
b
Analysis of variance.
c
χ 2 test.
MMSE, Mini‐Mental State Examination; FAQ, Functional Activities Questionnaire; Phon. Flu., Phonemic Fluency; Sem. Flu, Semantic Fluency; Imm. Recall, Immediate Recall; Del. Recall, Delayed Recall; FDS, Forward Digit Span; BDS, Backward Digit Span.