Table 5 Published studies about HMV and the frequency of the different diagnostic groups

Years

2003

2003

2007

2013

2017

2018

2020

2020

References

[24]

[19]

[25]

[26]

[9]

[8]

[27]

[10]

Area/Country

Switzerland

Germany

Sweden

Australia^a

Canada

France

England

Switzerland

Type of study

cohort

cohort

cohort

survey

cohort

survey

cohort

cohort

Patients (n)

211

226

1526

2725

4670

4522

1210

489

Age (years)

63

57.3

58.6

57.5

58.5

70.3

65.1

71

p_aCO₂ (mmHg)

 > 45

 > 50

53.6

–

–

 > 45

52.5

 > 50

TIV (%)

excluded

excluded

6

3.1

7.7

…

12.4

excluded

NMD (%)

10

19

15

30

30.4

18

13

COPD (%)

27

34.5

16

8

18.8

6.3

24.5

39

OHS (%)

34

5.3

28

31

15.9

15.7

16.7

26

ALS (%)

3

27

11

8.4

7.5

1.2

21.6

3

Acute onset of ventilation (%)

–

–

26.6

–

23

–

–

45

Follow-up time (years)

7

3.25

10

4

12

15

10

3.3