Table 1 . Characteristics among diagnostic groups in relation to age, sex and schooling. Descriptive data from MMSE, CAMCOG, praxis (total score and sub-items) and PFAQ on 74 patients diagnosed with Alzheimer’s disease (AD) and 84 healthy elderly people (control group, CG) .
| CG | AD | P | |
|---|---|---|---|
| Age (years) | 77.73 (60-96) (± 8.66) | 79.64 (60-97) (± 7.28) | *0.139 |
| Sex | |||
| Female | 66.7% | 70.3% | **0.628 |
| Male | 33.3% | 29.7% | |
| Schooling | |||
| 1 to 4 years | 71.4% | 73% | **0.730 |
| 5 to 8 years | 10.7% | 13.5% | |
| > 9 years | 17.9% | 13.5% | |
| Mean ± SD | Mean ± SD | ||
| MMSE | 27.45 ± 2.43 | 17.05 ± 4.25 | 0.0001 |
| CAMCOG | 89.9 ± 9.39 | 56.35 ± 13.84 | 0.0001 |
| PFAQ | 0.77 ± 1.97 | 19 ± 9.10 | 0.0001 |
| Praxis (total) | 10.82 ± 1.32 | 8.30 ± 1.86 | 0.0001 |
| Constructive | 5.63 ± 0.70 | 3.36 ± 1.54 | 0.0001 |
| Ideational | 0.95 ± 0.21 | 0.95 ± 0.22 | 0.854 |
| Ideomotor | 4.21 ± 0.89 | 3.99 ± 0.97 | 0.114 |
MMSE = Mini-Mental State Examination; CAMCOG = Cambridge Cognitive Examination; PFAQ = Pfeffer Functional Activities Questionnaire; SD = standard deviation. *P from Student t test; **P from chi-square test.