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Table 3 Clusters of different co-morbidities categorised by latent class analysis in patients with prolonged mechanical ventilation

From: Life expectancies and incidence rates of patients under prolonged mechanical ventilation: a population-based study during 1998 to 2007 in Taiwan

 

Age <64 years (n= 3,520)

Age 65 to 74 years (n= 5,397)

Age 75 to 84 years (n= 9,747)

Age >85 years (n= 5,033)

 

Class 1

Class 2

Class 3

Class 4

Class 1

Class 2

Class 3

Class 1

Class 2

Class 3

Class 4

Class 1

Class 2

Class 3

 

Heart disease

SP/shock

UTI/SP

COPD/other

Heart disease

SP/shock

COPD/other

Heart disease

SP/shock

COPD/other

Respiratory disease

Heart disease

SP/shock

COPD/other

Number of cases

616

919

197

1,788

1,074

1,824

2,499

1,404

2,856

4,142

1,345

870

1,359

2,804

Prevalence of co-morbidity (%)

              

Septicaemia

11.3

62.9

72.2

6.7

10.6

66.1

5.5

11.8

72.8

11.0

7.2

10.2

79.1

11.7

Diabetes mellitus

35.5

26.8

26.1

19.7

39.7

26.1

26.5

27.1

20.5

22.6

17.2

18.6

14.5

14.6

Hypertension

17.9

4.9

9.8

8.3

20.8

6.8

13.9

16.1

4.8

17.3

12.5

15.4

3.3

15.2

AMI/coronary atherosclerosis

39.9

3.9

2.3

2.4

43.9

4.6

5.2

42.8

5.5

6.6

4.0

42.8

5.6

4.0

COPD

6.5

3.2

0.5

17.9

11.0

11.0

33.9

18.2

12.4

39.6

29.6

24.9

12.7

33.0

Other respiratory disease

21.8

23.7

13.8

30.1

22.3

18.1

26.7

20.9

17.2

0

100

24.6

19.4

25.9

Acute renal failure

12.2

20.6

9.5

4.8

12.7

16.4

4.5

12.1

16.7

4.2

5.3

8.7

15.2

5.6

UTI

5.3

0

100

14.8

5.7

25.1

21.1

11.7

28.0

24.3

21.1

16.1

30.6

29.0

Shock

11.2

39.6

33.1

2.7

10.3

39.1

2.7

8.9

38.5

4.9

3.7

7.3

41.6

5.0

Heart failure

42.2

3.2

2.6

2.4

37.0

5.8

4.8

50.1

7.2

7.7

7.4

50.5

8.3

7.7

Median survival (years)

0.80

0.34

0.88

1.64

0.39

0.23

0.55

0.29

0.21

0.95

0.38

0.32

0.20

0.35

Life expectancy (years) (SE)

5.09 (0.60)

4.51 (0.49)

4.82 (1.49)

5.25 (0.37)

2.55 (0.21)

2.14 (0.13)

2.56 (0.13)

1.86 (0.23)

1.66 (0.10)

2.12 (0.07)

2.18 (0.17)

1.48 (0.12)

1.12 (0.07)

1.52 (0.05)

  1. AMI, acute myocardial infarction; COPD, chronic obstructive pulmonary disease; SE, standard error of the mean; SP, septicaemia; UTI, urinary tract infections.