Cross tabulation of the clinical and pathological diagnoses using standard criteria
| Clinical diagnosis | Pathological diagnosis | Total (n (%)) | Positive predictive value (%) | ||||
|---|---|---|---|---|---|---|---|
| Pure Alzheimer’s disease | Vascular dementia | Mixed Alzheimer’s and vascular dementia | Other dementia | ||||
| Alzheimer’s | 76 | 0 | 1 | 17 | 94 (77) | 81 | |
| Vascular dementia | 0 | 1 | 1 | 0 | 2 (2) | ||
| Mixed dementia | 9 | 3 | 1 | 4 | 17 (14) | ||
| Other dementia | 3 | 0 | 0 | 6 | 9 (7) | ||
| Totals (n (%)) | 88 (72) | 4 (3) | 3 (2) | 27 (22) | 122 (100) | ||