Table 1A.
Demographics and clinical information of subjects.
| Early-onset group | Late-onset group | |||||
|---|---|---|---|---|---|---|
| Alzheimer's disease (n = 74) | Control (n = 20) | p value | Alzheimer's disease (n = 46) | Control (n = 13) | p-value | |
| Age at onset | 55.7 ± 5.4 | − | − | 69.6 ± 3.1 | − | − |
| Age at examination | 59.1 ± 5.7 | 56.0 ± 4.9 | 0.053 | 72.8 ± 3.6 | 71.5 ± 2.0 | 0.084 |
| Sex (female %) | 66.2% | 55.0% | 0.354 | 71.7% | 30.8% | 0.01 |
| Duration of education (years) | 10.6 ± 4.9 | 11.6 ± 4.2 | 0.395 | 9.3 ± 5.3 | 11.1 ± 3.9 | 0.283 |
| CDR | 1.3 ± 0.9 | − | − | 1.3 ± 0.8 | − | − |
| MMSE scores | 17.4 ± 7.1 | 29.3 ± 0.7 | 0.000 | 18.5 ± 7.1 | 29.0 ± 0.9 | 0.000 |
MMSE, Mini-mental State Examination; CDR, Clinical Dementia Rating.