Causes of dementia and questionable dementia
| n=129 Final diagnosis | Developing dementia Frequency (%) | Stable QD Frequency (%) |
|---|---|---|
| Probable AD | 19 (51) | |
| Possible AD | 2 (5) | |
| Vascular dementia | 7 (19) | |
| Diffuse Lewy body disease | 1 (3) | |
| Frontal lobe dementia | 3 (8) | |
| Uncertain aetiology | 5 (14) | |
| Total | 37 | 92 |
| Cognitive impairment | 46 (51) | |
| Cognitive impairment-vascular origin | 14 (16) | |
| Cognitive impairment-other causes | 30 (33) | |