Table 2.
Discharge characteristics according to the presence of dementia/CI at admission.a
| No detected CI or known dementia | CI (AMTS <9) and no known dementia | Diagnosed dementia | ||
|---|---|---|---|---|
| N = 12,974 (68.7%) | N = 2,180 (11.5%) | N = 3,730 (19.8%) | ||
| Length of stay | ||||
| Length of stay (median, IQR) | 6 (11) | 11 (16) | 9 (17) | P < 0.001b |
| Length of stay by category: | ||||
| Less than 24 hours (0 days) | 647 (5.0%) | 58 (2.7%) | 165 (4.4%) | P < 0.001b |
| 1–6 days | 6,450 (49.7%) | 656 (30.1%) | 1,309 (35.1%) | |
| 7–13 days | 2,763 (21.3%) | 567 (26.0%) | 840 (22.5%) | |
| 14–27 days | 1,946 (15%) | 537 (24.6%) | 839 (22.5%) | |
| 28 days or more | 1,168 (9%) | 362 (16.6%) | 577 (15.5%) | |
| Mortality | ||||
| Status at discharge (n, %): | ||||
| Alive | 12,114 (93.4%) | 1,922 (88.2%) | 3,329 (89.3%) | P < 0.001c |
| Dead | 860 (6.6% [6.2–7.0]) | 258 (11.8% [10.5–13.3]) | 401 (10.8% [9.8–11.9]) | |
| Mortality rate/100 person months of admission | 18.7 [17.5–20.0] | 22.7 [20.0–25.7] | 22.0 [19.9–24.3] | |
| (4,590 months) | (1,136 months) | (1,821 months) | ||
| Discharge destination (for patients discharged alive) | ||||
| Discharge destination (n, %) | ||||
| Usual residence | 10,350 (85.4%) | 1,361 (70.8%) | 2,384 (71.6%) | P < 0.001c |
| Nursing/residential homed | 429 (3.5%) | 218 (11.3%) | 543 (16.3%) | |
| Hospice | 132 (1.1%) | 43 (2.2%) | 57 (1.7%) | |
| Other hospital location | 978 (8.1%) | 256 (13.3%) | 274 (8.2%) | |
| Other | 225 (1.9%) | 44 (2.3%) | 71 (2.1%) | |
aN = 18,884 admissions (no discharge data for 385 (2.0%) admissions.
bKruskal–Wallis.
cChi2.
dWhere the patient has not previously been in a nursing/residential home.