Whole group | DSM-IV criteria | Strict DSM-5 criteria | Relaxed DSM-5 criteria | ||||
---|---|---|---|---|---|---|---|
Delirium | No delirium | Delirium | No delirium | Delirium | No delirium | ||
Number | 768 | 510 | 258 | 158 | 610 | 466 | 302 |
Mean age a | 67.4 ± 18.7 | 68.7 ± 18.2 | 64.6 ± 19.9 | 70.8 ± 16.9 | 66.5 ± 19.3 | 67.9 ± 18.5 | 67.3 ± 18.2 |
Sex (% male) | 49 | 53 | 45 | 50 | 50 | 55 | 40 |
Frequency of comorbid dementia (%) b | 28 | 30 | 25 | 28 | 30 | 24 | 37 |
Mean DRS-R98 total scores c | 17.2 ± 9.7 | 22.6 ± 6.5 | 6.6 ± 4.9 | 25.9 ± 5.8 | 14.9 ± 9.2 | 23.5 ± 6.2 | 7.6 ± 5.1 |