Table 3.
Mental health problems | Cognitive impairment, n (%) | Mental health problem without cognitive impairment, n (%) | Total | Estimated prevalence among all admitted patients over 70 (95% CI) | |
---|---|---|---|---|---|
NPI domains moderate to severe | Delusions | 28 (14) | 3 (6) | 31 (12) | 8% (5–11) |
Hallucinations | 20 (10) | 4 (8) | 24 (10) | 6% (4–9) | |
Agitation or aggressive | 34 (17) | 1 (2) | 35 (14)* | 9% (6–12) | |
Depression | 67 (34) | 17 (32) | 84 (34) | 22% (18–26) | |
Anxiety | 67 (34) | 17 (32) | 84 (34) | 22% (18–26) | |
Elation | 3 (2) | 0 (0) | 3 (1) | n/a | |
Apathy | 75 (38) | 8 (15) | 83 (33)* | 21% (17–25) | |
Disinhibition | 19 (10) | 0 (0) | 19 (8)* | 5% (3–7) | |
Irritability | 39 (20) | 5 (9) | 44 (18) | 11% (8–14) | |
Motor behaviour | 40 (21) | 2 (4) | 42 (17)* | 11% (8–14) | |
Difficulty sleeping | 65 (33) | 18 (34) | 83 (33) | 21% (17–25) | |
Appetite | 93 (48) | 20 (38) | 113 (46) | 29% (25–33) | |
CSDD | No depression | 89 (49) | 24 (47) | 113 (49) | |
Possible major depression | 67 (37) | 22 (43) | 89 (39) | 24% (20–28) | |
Definite major depression | 24 (13) | 5 (10) | 29 (13) | 8% (5–11) | |
DRS | Delirium | 104 (53) | 3 (6) | 107 (43)** | 27% (24–31) |
Diagnosed dementia | 105 (54) | 1 (2) | 106 (43)** | 27% (23–31) |
MMSE, mini-mental state examination; NPI, neuropsychiatric inventory; CSDD, Cornell scale for depression in dementia; DRS, delirium rating scale.
*P < 0.05.
**P < 0.001.