Table 1.
General materials of 394 cases (mean ± sd)
| items | Mild dementia (n = 107) |
Moderate dementia (n = 194) |
Severe dementia (n = 93) |
F (P) |
|---|---|---|---|---|
| Age in years | 70.10 ± 9.22 | 70.57 ± 10.05 | 68.72 ± 9.77 | 1.137(0.322) |
| sex (male:female) | 52:55 | 90:104 | 42:51 | 0.124(0.883) |
| Educationg level | 6.21 ± 1.70 | 5.60 ± 1.87 | 5.39 ± 1.99 | 5.506(0.004) |
| MMSE | 19.62 ± 2.04 | 14.86 ± 2.96 | 8.29 ± 3.25 | 402.806(0.000) |
| DRS | 112.75 ± 15.25 | 88.80 ± 13.16 | 67.52 ± 15.86 | 236.362(0.000) |
| ADAS-cog | 29.10 ± 11.08 | 40.45 ± 12.17 | 53.27 ± 9.38 | 89.686(0.000) |
Education level: 1.Illiteracy, 2. Old-style private school or family education, 3.Adult literacy class or night school, 4. Primary school drop-outs, 5.Primary school, 6.junior high school, 7.senior high school, 8.College or above
Abbreviations: MMSE the mini-mental state examination, DRS the Mattis dementia rating scale, ADAS-cog the Alzheimer’s disease assessment scale-cognitive subscale