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. 2019 Dec 14;17:229. doi: 10.1186/s12916-019-1458-7

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

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)