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Table 1 Demographic characteristics of ICU patients admitted between 1 January 2013 and 1 January 2018

From: The performance of acute versus antecedent patient characteristics for 1-year mortality prediction during intensive care unit admission: a national cohort study

Length of ICU stay

≥ 0 days

≥ 2 days

≥ 7 days

≥ 14 days

≥ 21 days

≥ 28 days

 

Number

%

Number

%

Number

%

Number

%

Number

%

Number

%

Total

400.248

100

86.948

21.7

31.140

7.8

13.520

3.4

7.397

1.8

4.476

1.1

Male

238.306

59.5

52.521

60.4

19.308

62

8.566

63.4

4.786

64.7

2.938

65.6

Age*

66 (55–75)

67 (57–75)

66 (56–74)

66 (55–74)

66 (55–73)

66 (55–73)

APACHE III score*

52 (37–71)

72 (55–93)

79 (61–99)

81 (63–101)

82 (64–102)

82 (63–102)

Reason admission

 Medical

193.925

48.5

59.019

67.9

21.712

69.7

9.310

68.9

5.052

68.3

2.982

66.6

 Urgent surgery

50.634

12.7

14.446

16.6

6.126

19.7

2.808

20.8

1.560

21.1

973

21.7

 Elective surgery

155.689

38.9

13.483

15.5

3.302

10.6

1.402

10.4

785

10.6

521

11.6

Mech. Vent. at admission

161.419

40.3

48.917

56.3

19.576

62.9

8.757

64.8

4.862

65.7

2.971

66.4

Mech. Vent. in first 24 h

185.067

46.2

60.750

69.9

25.103

80.6

11.343

83.9

6.293

85.1

3.823

85.4

ICU mortality

32.152

8.0

13.132

15.1

6.112

19.6

2.750

20.3

1.390

18.8

795

17.8

Hospital mortality

46.186

11.5

18.709

21.5

8.357

26.8

3.694

27.3

1.866

25.2

1.076

24.0

Mortality 7 days after ICU admission

32.902

8.2

7.723

8.9

n.a

n.a

n.a

n.a

n.a

n.a

n.a

n.a

Mortality 28 days after ICU admission

50.981

12.7

18.832

21.7

7.337

23.6

2.432

18.0

655

8.9

n.a

n.a

Mortality 90 days after ICU admission

63.889

16.0

24.134

27.8

10.332

33.2

4.431

32.8

2.202

29.8

1.209

27.0

Mortality 180 days after ICU admission

73.152

18.3

26.805

30.8

11.411

36.6

5.008

37.0

2.591

35.0

1.510

33.7

Mortality 365 days after ICU admission

86.857

21.7

30.293

34.8

12.564

40.3

5.514

40.8

2.920

39.5

1.725

38.5

  1. Mech. Vent. mechanical ventilation, ICU intensive care unit, n.a. not applicable
  2. *for Age/APACHE III score, the median and interquartile ranges are reported
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