Baseline characteristics of patients with delirium with and without dementia diagnosed during the 2 year follow up
| All | Non-demented | Demented | p Value | |
| No (%) | 51 (100) | 23 (45.1) | 28 (54.9) | |
| Age (mean (SD)) | 82.1 (5.4) | 82.3 (4.7) | 81.8 (6.0) | 0.725 |
| Range | 71–93 | 72–90 | 71–93 | |
| Female (No (%)) | 46 (90) | 22 (96) | 24 (86) | 0.362 |
| Living alone (No (%)) | 42 (82) | 20 (87) | 22 (79) | 0.434 |
| With spouse | 6 | 3 | 3 | |
| With own child | 2 | 0 | 3 | |
| MMSE Score (mean (SD)) | 20.8 (3.9) | 22.5 (3.4) | 19.3 (3.7) | 0.003 |
| Range | 11–29 | 17–29 | 11–27 | |
| Bartel index score (mean (SD)) | 85 (12) | 83 (13) | 87 (11) | 0.273 |
| Range | 55–100 | 55–100 | 65–100 | |
| IADL score (mean (SD)) | 22 (6) | 20 (6) | 22 (7) | 0.276 |
| Range | 8–32 | 8–29 | 11–32 | |
| Dementia | 28 (55) | |||
| Alzheimer's disease | 11 (24) | 11 (39) | ||
| Vascular dementia, | 10 (20) | 10 (36) | ||
| Dementia with Lewy Bodies | 2 (4) | 2 (7) | ||
| Mixed dementia | 3 (6) | 3 (11) | ||
| Other types of dementia1-150 | 2 (4) | 2 (7) |
↵1-150 An alcoholic dementia in one case and a non-alcoholic hepatic encephalopathia in one case.