| No cognitive spectrum disorders | Any cognitive spectrum disorders | Cognitive spectrum disorders | |||
---|---|---|---|---|---|---|
Delirium alone | Known dementia alone | Delirium superimposed on known dementia | Unspecified cognitive impairment | |||
No. (%) | No. (%) | No. (%) | No. (%) | No. (%) | No. (%) | |
N = 3903 | N = 1667 | N = 821 | N = 335 | N = 285 | N = 226 | |
(70.1%; 95%CI 68.9–71.3 of all patients) | (29.9%; 95%CI 28.8–31.1 of all patients) | (14.7%; 95%CI 13.8–15.7 of all patients) | (6.0%; 95%CI 5.4–6.7 of all patients) | (5.1%; 95%CI 4.6–5.7 of all patients) | (4.1%; 95%CI 3.6–4.6 of all patients) | |
Age | ||||||
65–74 (n = 1777) | 1454 (37.3) | 323 (19.4) | 207 (25.2) | 47 (14.0) | 31 (10.9) | 38 (16.8) |
75–84 (n = 2318) | 1635 (41.9) | 683 (41.0) | 323 (39.3) | 146 (43.6) | 122 (42.8) | 92 (40.7) |
≥ 85 (n = 1475) | 814 (20.9) | 661 (39.7) | 291 (35.4) | 142 (42.3) | 132 (46.3) | 96 (42.5) |
Sex | ||||||
Women (n = 3138) | 2143 (54.9) | 995 (59.6) | 473 (57.6) | 207 (61.8) | 182 (63.9) | 133 (58.8) |
Men (n = 2432) | 1760 (45.1) | 672 (40.3) | 348 (42.4) | 128 (38.2) | 103 (36.1) | 93 (41.2) |
Deprivation SIMD quintilea | ||||||
1 most deprived (n = 1151) | 824 (21.1) | 327 (19.6) | 179 (21.8) | 60 (17.9) | 44 (15.4) | 44 (19.5) |
2 (n = 1473) | 1013 (26.0) | 460 (27.6) | 233 (28.4) | 81 (24.2) | 71 (24.9) | 75 (33.2) |
3 (n = 1266) | 884 (22.6) | 382 (22.9) | 178 (21.7) | 94 (28.1) | 61 (21.4) | 49 (21.7) |
4 (n = 853) | 579 (14.8) | 274 (16.4) | 129 (15.7) | 51 (15.2) | 66 (23.2) | 28 (12.4) |
5 most affluent (n = 827) | 603 (15.5) | 224 (13.4) | 102 (12.4) | 49 (14.6) | 43 (15.1) | 30 (13.3) |
Charlson Comorbidity Index (CCI)b | ||||||
CCI 0 (n = 1424) | 950 (24.3) | 474 (28.4) | 210 (25.6) | 113 (33.7) | 101 (35.4) | 50 (22.1) |
CCI 1 (n = 1496) | 1082 (27.7) | 414 (24.8) | 209 (25.5) | 85 (25.4) | 56 (19.6) | 64 (28.3) |
CCI 2 to 5 (n = 2233) | 1548 (39.7) | 685 (41.1) | 350 (42.6) | 124 (37.0) | 118 (41.4) | 93 (41.2) |
CCI ≥6 (n = 417) | 323 (8.3) | 94 (5.6) | 52 (6.3) | 13 (3.9) | 10 (3.5) | 19 (8.4) |
No. of medications | ||||||
0–5 (n = 1746) | 1216 (31.2) | 530 (31.8) | 244 (29.7) | 107 (31.9) | 108(37.9) | 71 (31.4) |
6–10 (n = 2204) | 1552 (39.8) | 652 (39.1) | 334 (40.7) | 134 (40.0) | 105 (36.8) | 79 (35.0) |
> 10 (n = 1620) | 1135 (29.1) | 485 (29.1) | 243 (29.6) | 94 (28.1) | 72 (25.3) | 76 (33.6) |
Activities of daily living (ADL)c | ||||||
Persistently high ADL (n = 1956) | 1611 (62.3) | 345 (24.7) | 155 (24.7) | 77 (28.5) | 44 (15.9) | 69 (31.4) |
Changed ADL (n = 1341) | 742 (28.7) | 599 (43.0) | 322 (51.4) | 76 (28.1) | 107 (38.6) | 94 (42.7) |
Persistently low ADL (n = 681) | 231 (8.9) | 450 (32.3) | 150 (23.9) | 117 (43.3) | 126 (45.5) | 57 (25.9) |
Discharge destination | ||||||
Private home (n = 5334) | 3848 (98.6) | 1486 (89.1) | 769 (93.7) | 299 (89.3) | 210 (73.7) | 208 (92.0) |
New care home admission (n = 236) | 55 (1.4) | 181 (10.9) | 52 (6.3) | 36 (10.7) | 75 (26.3) | 18 (8.0) |