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Table 1 Characteristics of the patients: entire sample, patient at risk screened for a delirium, patient at risk with and without a delirious state

From: A hospital-wide evaluation of delirium prevalence and outcomes in acute care patients - a cohort study

 

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]

  1. Legend: DOS delirium observation scale; ICDSC intensive care delirium screening checklist; ICU intensive care unit