Table 1 Patient characteristics

Demographics

Female sex, n (%)

3250 (40)

224 (39)

Age, years

63 (48–73)

66 (50–74)*

ICU data

SAPS 3 score

57 ± 16

62 ± 15***

ICU days, days

2 (1–4)

3 (2–5)***

Mean NEMS

32 (24–39)

38 (34–43)***

Surgery

No surgery, n (%)

4900 (60)

399 (70)***

Acute surgery, n (%)

2176 (27)

138 (24)*

Elective surgery, n (%)

1030 (13)

36 (6)***

Primary ICU diagnosis

Infection/sepsis, except respiratory tract infection, n (%)

674 (8)

97 (17)***

Malignancy, n (%)

243 (3)

0 (0)***

Haematological disease, n (%)

35 (0)

0 (0)

Endocrinal disease, n (%)

289 (4)

16 (3)

Intoxication, n (%)

458 (6)

24 (4)

Neurological disease, n (%)

432 (5)

20 (3)

Cardiac disease, except cardiac arrest, n (%)

390 (5)

19 (3)

Cardiac arrest and asphyxia, n (%)

655 (8)

70 (12)*

Subarachnoid haemorrhage, n (%)

78 (1)

0 (0)*

Cerebrovascular event, except SAH, n (%)

231 (3)

7 (1)*

Acute aortic rupture or dissection, n (%)

182 (2)

5 (1)*

Arterial disease, not ruptured aorta, n (%)

251 (3)

2 (0)***

Musculoskeletal disease, n (%)

6 (0)

0 (0)

Circulatory shock, other, n (%)

132 (2)

3 (1)*

Respiratory tract infection, n (%)

361 (4)

69 (12)***

COPD/asthma, n (%)

733 (9)

67 (12)*

Respiratory tract disease, except infection or COPD/asthma, n (%)

128 (2)

6 (1)

Renal/urologic disease, n (%)

108 (1)

15 (3)*

Acute abdomen, except gastrointestinal bleeding, n (%)

224 (3)

25 (4)*

Gastrointestinal bleeding, n (%)

280 (3)

16 (3)

Liver failure, n (%)

292 (4)

5 (1)**

Pancreatitis/cholangitis, n (%)

79 (1)

10 (2)

Psychiatric disease, n (%)

11 (0)

0 (0)

Haemorrhage, other, n (%)

45 (1)

0 (0)

Trauma, except traumatic brain injury, n (%)

602 (7)

73 (13)***

Traumatic brain injury, n (%)

262 (3)

12 (2)

Surgical and medical complications, n (%)

152 (2)

7 (1)

Transplantation, n (%)

351 (4)

0 (0)***

Other, n (%)

33 (0)

0 (0)

Postoperative care, not specified, n (%)

389 (5)

5 (1)***