Table 2 Characteristics associated with the current hospitalization of ICU patients, Aarhus University Hospital Network, Denmark, 2001 to 2007

Planned/emergency hospital admission

Planned

3,665

23.5

44

9.9

59

7.5

Emergency

11,954

76.5

400

90.1

726

92.4

Primary diagnosis

Infectious disease

392

2.5

15

3.4

33

4.2

Cancer

2,208

14.1

15

3.4

42

5.4

Diabetes

200

1.3

6

1.4

13

1.7

Cardiovascular disease

4,310

27.6

93

21.0

84

10.7

Respiratory disease

1,443

9.2

23

5.2

66

8.4

Gastrointestinal disease

1,419

9.1

189

42.6

99

12.6

Trauma/poisoning

3,255

20.8

44

9.9

275

35.0

Other

2,393

15.3

59

13.3

173

22.0

Surgical procedures

No surgery

7,830

50.1

339

76.4

555

70.7

Vascular

2,647

17.0

15

3.4

37

4.7

Abdominal

1,342

8.6

36

8.1

40

5.1

Orthopedic

881

5.6

9

2.0

15

1.9

Thoracic

743

4.8

29

6.5

48

6.1

Central nervous

System

1,452

9.3

8

1.8

54

6.9

Other

724

4.6

8

1.8

36

4.6

Department

Surgical

9,376

60.0

181

40.8

326

41.5

Medical

6,243

40.0

263

59.2

459

58.5

Mechanical ventilation

Yes

6,692

42.9

172

38.7

308

39.2

Renal replacement therapy

Yes

1,160

7.4

38

8.6

46

5.9