Table 1B.
Demographics and clinical information of subgroups.
| EARLY-ONSET AD | ||||
| Group (n) | CDR 0.5 (23) | CDR 1 (25) | CDR 2 (17) | CDR 3 (9) |
| Age at onset | 57.0 ± 6.0 | 56.0 ± 4.8 | 53.0 ± 5.6 | 56.0 ± 4.4 |
| Age at examination | 59.6 ± 6.3 | 59.5 ± 5.0 | 56.9 ± 6.0 | 60.9 ± 5.3 |
| Sex (female %) | 70.0 | 64.0 | 70.6 | 55.6 |
| Duration of education (years) | 10.8 ± 4.5 | 11.7 ± 5.4 | 8.7 ± 4.7 | 10.3 ± 4.7 |
| MMSE scores | 23.0 ± 3.9 | 19.0 ± 4.0 | 14.1 ± 4.4 | 4.4 ± 3.6 |
| LATE-ONSET AD | ||||
| Group (n) | CDR 0.5 (13) | CDR 1 (16) | CDR 2 (13) | CDR 3 (4) |
| Age at onset | 70.0 ± 3.6 | 69.0 ± 3.2 | 70.0 ± 2.5 | 69.0 ± 6.2 |
| Age at examination | 72.0 ± 3.8 | 72.3 ± 3.7 | 73.5 ± 3.04 | 74.5 ± 6.9 |
| Sex (female %) | 61.5 | 81.3 | 84.6 | 25.0 |
| Duration of education (years) | 9.2 ± 5.7 | 9.3 ± 5.4 | 8.1 ± 5.7 | 10.6 ± 5.3 |
| MMSE scores | 23.8 ± 3.2 | 20.7 ± 4.1 | 13.3 ± 6.4 | 8.8 ± 8.7 |
MMSE, Mini-mental State Examination; CDR, Clinical Dementia Rating.