Table 1 Demographics of patients included in this study. Results are shown for the percentage of study participants who met each characteristic. These have been further separated for comparison between participants with and without delirium. Overall, the mean age of participants was 80.0; 54.2% were female, and 16.3% had known or probable dementia; 43.0% were admitted under acute medicine at the time of assessment; 68.0% had a CFS score of 4 or greater
| Â | All | No delirium | Delirium (DSM-5) | p |
|---|---|---|---|---|
Age (mean, SD) | 80.0 (8.3) | 79.3 (8.3) | 84.0 (7.4) | < 0.001 |
Gender | ||||
 Female | 54.2% (798) | 52.9% (663) | 62.0% (218) | 0.013 |
Dementia | ||||
 Known or probable | 16.3% (244) | 13.0% (166) | 35.5% (78) | < 0.001 |
Specialty | ||||
 Acute medicine | 43.0% (648) | 42.2% (542) | 47.8% (106) | < 0.001 |
 Geriatric medicine | 17.6% (265) | 16.0% (206) | 26.6% (59) | |
 Other medicine | 20.9% (315) | 22.1% (284) | 14.0% (31) | |
 Stroke | 3.7% (56) | 4.0% (52) | 1.8% (4) | |
 General and other surgery | 8.5% (128) | 9.4% (121) | 3.2% (7) | |
 Orthopaedic surgery | 6.3% (95) | 6.2% (80) | 6.8% (15) | |
Frailty | ||||
 Fit (CFS 1–3) | 31.9% (468) | 36.3% (453) | 6.9% (15) | < 0.001 |
 Frail (CFS 4–6) | 54.3% (796) | 53.0% (662) | 62.0% (134) | |
 Very frail (CFS 7–9) | 13.7% (201) | 10.7% (134) | 31.0% (67) | |