Demographic data for patients with confirmed CBD pathology (‘CBD’) and clinical diagnosis of CBD but negative pathology (‘CBD mimics’); p values for group differences were not significant for any comparison, by χ2 or t tests as appropriate
| Pathology | ‘CBD’ | ‘CBD mimics’ |
|---|---|---|
| Number of patients (n) | 19 | 14 |
| M:F ratio | 9:10 | 7:7 |
| Age at presentation (mean±SD) | 67 (8) | 69 (9) |
| Duration of disease, diagnosis to death (year; mean±SD) | 4 (3) | 5 (3) |
| MMSE at presentation/30 (mean±SD) | 15 (8) | 21 (5) |
| ACE-R total at presentation/100 (mean±SD) | 51 (25) | 65 (13) |
CBD, corticobasal degeneration; MMSE, mini mental state examination.