| Entire sample | Screened sample – patient at risk for a delirium | |||
---|---|---|---|---|---|
Endpoints / Variables | Total | Not screened (not at risk for a delirium) | Screened (at risk for a delirium) | Non-delirious DOS < 3, ICDSC < 4 | Delirious DOS ≥ 3, ICDSC ≥ 4 |
Total n (%) | 29′278 | 18′372 (62.8) | 10′906 (37.2) | 7′837 (71.9) | 3′069 (28.1) |
Age [years] mean (SD) | 54.7 (19.2) | 47.0 (16.9) | 67.6 (15.4) | 67.3 (15.2) | 68.4 (15.8) |
Gender [male] n (%) | 14′147 (48.3) | 7′672 (41.8) | 6′475 (59.4) | 4′601 (58.7) | 1′874 (61.1) |
Residency prior admission n (%) | |||||
 Home | 25′842 (88.3) | 17′003 (92.5) | 8′839 (81.0) | 6′730 (85.9) | 2′109 (68.7) |
 Other hospital | 2′386 (8.1) | 928 (5.1) | 1'458 (13.4) | 813 (10.4) | 645 (21.0) |
 Nursing home | 402 (1.4) | 121 (0.7) | 281 (2.6) | 125 (1.6) | 156 (5.1) |
 Other residency | 462 (1.6) | 245 (1.3) | 217 (2.0) | 99 (1.3) | 118 (3.8) |
 With home care | 186 (0.6) | 75 (0.4) | 111 (1.0) | 70 (0.9) | 41 (1.3) |
 Emergency admission n (%) | 13′862 (47.3) | 8′727 (47.5) | 5′135 (47.1) | 3′280 (41.9) | 1′855 (60.4) |
Type of care n (%) | |||||
 Internal / general medicine | 7′198 (24.6) | 4′218 (23.0) | 2′980 (27.3) | 2′141 (27.3) | 839 (27.3) |
 Cardiac surgery | 1′392 (4.8) | 249 (1.4) | 1′143 (10.5) | 680 (8.7) | 463 (15.1) |
 Neurology | 1′516 (5.2) | 517 (2.8) | 999 (9.2) | 637 (8.1) | 362 (11.8) |
 Neurosurgery | 968 (3.3) | 173 (0.9) | 795 (7.3) | 480 (6.1) | 315 (10.3) |
 Trauma surgery | 2′090 (7.1) | 1'360 (7.4) | 730 (6.7) | 462 (5.9) | 268 (8.7) |
 Other service | 16′114 (55.0) | 11′855 (64.5) | 4′259 (39.1) | 3′437 (43.9) | 822 (26.8) |
ICD-10 chapter n (%) | |||||
 IX. Diseases of circulatory system | 4′538 (15.5) | 1′218 (6.6) | 3′320 (30.4) | 2′247 (28.7) | 1′073 (35.0) |
 II. Neoplasms | 5′665 (19.3) | 3′182 (17.3) | 2′483 (22.8) | 1′915 (24.4) | 568 (18.5) |
 XIX. Injury/poisoning of external cause | 2′997 (10.2) | 1′938 (10.5) | 1′059 (9.7) | 653 (8.3) | 406 (13.2) |
 XI. Diseases of the digestive system | 1′954 (6.7) | 1'326 (7.2) | 628 (5.8) | 448 (5.7) | 180 (5.9) |
 VI. Diseases of nervous system | 933 (3.2) | 399 (2.2) | 534 (4.9) | 359 (4.6) | 175 (5.7) |
 I. Infections/parasites | 728 (2.5) | 492 (2.7) | 236 (2.2) | 120 (1.5) | 116 (3.8) |
 X. Diseases of respiratory system | 1'440 (4.9) | 966 (5.3) | 474 (4.3) | 367 (4.7) | 107 (3.5) |
 Other ICD-10 chapters | 11,'023 (37.6) | 8'851 (48.2) | 2'172 (19.9) | 1'728 (22.0) | 444 (14.5) |
 ICU stay n (%) | 4'002 (13.7 | 502 (2.7) | 3'500 (32.1) | 1'912 (24.4) | 1'588 (51.7) |
Discharged n (%) | |||||
 Home | 23,'679 (80.9) | 16′767 (91.3) | 6′912 (63.4) | 5′869 (74.9) | 1′043 (34.0) |
 Rehab | 2'584 (8.8) | 521 (2.8) | 2'063 (18.9) | 1′106 (14.1) | 957 (31.2) |
 Other hospital | 929 (3.2) | 219 (1.2) | 710 (6.5) | 343 (4.4) | 367 (12.0) |
 Nursing home | 599 (2.0) | 190 (1.0) | 409 (3.8) | 172 (2.2) | 237 (7.7) |
 Others service | 266 (0.9) | 120 (0.7) | 146 (1.3) | 57 (0.7) | 89 (2.9) |
 Missing | 503 (1.7) | 279 (1.5) | 224 (2.1) | 131 (1.7) | 93 (3.0) |
 Re-admissions n (%) | 910 (3.1) | 546 (3.0) | 364 (3.3) | 252 (3.2) | 112 (3.6) |
Outcomes | |||||
 Hospital mortality n (%) | 718 (2.5) | 276 (1.5) | 442 (4.1) | 159 (2.0) | 283 (9.2) |
 LOS in the hospital d median [Q1, Q3] | 5.00 [3, 10] | 4 [3, 7] | 8 [4, 15 | 7 [4, 12] | 13 [7, 23], |
 Nursing hours per case h median [Q1, Q3] | 30.1 [17.7, 59.5] | 24.1 [15.7, 39.9] | 52.5 [26.0, 107.7] | 41.0 [22.2, 76.0] | 114.5 [56.7, 240.5] |
 Cost per case CHF | 11′128 [6′667, 22′861] | 8′764 [5′788, 14′515] | 20′875, [10′463, 42′271] | 16′662 [9067, 32′413] | 40′259 [19′235, 80′245] |