Table 2.
Demographic variables of AD and VaD patients.
| AD (N = 110) | VaD (N = 48) | P value | |
|---|---|---|---|
| Mean age (at 2000) | 85.8 ± 7.0 | 82.2 ± 5.9 | 0.002 (t test) |
| Sex (M : F) | 15 : 95 | 15 : 33 | 0 .009 (χ 2 test) |
| CDR grade (1 : 2 : 3 at 2000) | 35 : 40 : 35 | 23 : 15 : 10 | 0.134 (χ 2 test) |
| MMSE score (at 2000) | 15.7 ± 5.0 | 14.8 ± 5.5 | 0.413 (t test) |
| N-ADL score (at 2000) | 32.7 ± 12.3 | 28.6 ± 14.5 | 0.124 (t test) |
| Coexisting physical diseases (any/nothing at 2000) (%) |
71 : 39 | 44 : 4 | 0.000 (χ 2 test) |
| 64% | 92% | ||
| Survival ratio (alive/dead at 2007) |
39 : 79 | 9 : 31 | 0.210 (χ 2 test) |
| Total duration of certified until 2007 (month) |
50.9 ± 31.6 | 57.3 ± 30.3 | 0.260 (Mann-Whitney U test) |
AD: Alzheimer's disease; VaD: vascular dementia.