Table 2 Maximal muscular pressures determined through airway or oesophageal pressure with and without PEEPi

1

P_{mus, aw}

25

18

15

11

9

7

4

P_{mus, oes}

20

19

18

13

15

13

7

P_{mus, oes, PEEPi}

21

22

19

14

16

14

8

PEEPi level

1.5 ± 0.8

2.6 ± 0.8

1.4 ± 0.5

0.7 ± 0.5

1.1 ± 0.7

1.4 ± 0.8

0.3 ± 0.3

2

P_{mus, aw}

19

13

10

8

6

5

3

P_{mus, oes}

16

15

16

13

13

14

11

P_{mus, oes, PEEPi}

17

17

17

14

15

15

12

PEEPi level

1.6 ± 0.7

1.1 ± 0.6

1.0 ± 0.6

1.4 ± 0.6

1.3 ± 0.8

1.3 ± 0.6

1.8 ± 0.6

3

P_{mus, aw}

17

10

8

6

5

4

3

P_{mus, oes}

17

14

13

14

11

11

8

P_{mus, oes, PEEPi}

18

16

14

15

12

14

9

PEEPi level

1.6 ± 0.9

1.9 ± 1.0

1.0 ± 0.8

0.7 ± 0.8

1.0 ± 0.8

1.4 ± 1.1

0.3 ± 0.6

4

P_{mus, aw}

17

13

10

8

6

5

3

P_{mus, oes}

14

16

11

11

10

8

5

P_{mus, oes, PEEPi}

15

17

13

12

11

9

6

PEEPi level

1.3 ± 0.9

1.2 ± 1.0

1.3 ± 0.9

1.7 ± 1.2

0.8 ± 0.4

1.2 ± 1.3

0.6 ± 0.5

5

P_{mus, aw}

13

9

7

5

5

4

3

P_{mus, oes}

9

9

8

7

8

6

4

P_{mus, oes, PEEPi}

10

10

9

8

8

6

4

PEEPi level

0.3 ± 0.2

0.4 ± 0.4

0.0 ± 0.1

0.1 ± 0.1

0.3 ± 0.4

0.0 ± 0.1

0.1 ± 0.1

6

P_{mus, aw}

23

18

13

11

9

7

6

P_{mus, oes}

21

21

17

20

17

14

13

P_{mus, oes, PEEPi}

27

28

19

27

23

18

18

PEEPi level

6.3 ± 4.0

7.4 ± 3.9

2.7 ± 1.4

6.8 ± 4.5

6.3 ± 4.8

4.2 ± 2.8

4.4 ± 3.2

7

P_{mus, aw}

14

9

7

5

4

3

2

P_{mus, oes}

4

5

4

4

3

2

2

P_{mus, oes, PEEPi}

7

7

7

6

4

4

3

PEEPi level

3.0 ± 0.9

2.9 ± 0.8

3.0 ± 1.5

2.1 ± 0.7

1.6 ± 0.8

1.5 ± 0.5

1.3 ± 0.8

8

P_{mus, aw}

20

14

10

8

6

5

3

P_{mus, oes}

14

13

10

10

8

7

7

P_{mus, oes, PEEPi}

16

15

12

10

9

8

8

PEEPi level

2.8 ± 0.7

2.2 ± 0.6

1.9 ± 0.8

0.8 ± 0.5

0.9 ± 0.3

1.0 ± 0.4

0.8 ± 0.4

9

P_{mus, aw}

26

18

13

9

8

5

3

P_{mus, oes}

12

11

10

8

8

6

4

P_{mus, oes, PEEPi}

14

13

12

10

10

8

6

PEEPi level

2.1 ± 0.7

2.0 ± 0.7

2.0 ± 0.7

1.8 ± 0.6

2.1 ± 0.5

1.6 ± 0.5

1.7 ± 0.4

10

P_{mus, aw}

26

14

9

8

6

5

4

P_{mus, oes}

16

15

15

13

11

11

9

P_{mus, oes, PEEPi}

17

16

16

14

12

12

11

PEEPi level

1.2 ± 1.0

1.2 ± 1.1

1.0 ± 1.0

0.4 ± 0.6

0.8 ± 0.8

0.1 ± 0.3

0.2 ± 0.5

11

P_{mus, aw}

28

19

14

12

10

7

4

P_{mus, oes}

16

14

13

12

8

12

5

P_{mus, oes, PEEPi}

28

32

29

28

17

18

10

PEEPi level

12.0 ± 1.3

17.9 ± 3.5

16.2 ± 1.7

15.9 ± 2.9

8.6 ± 1.7

6.0 ± 1.9

5.0 ± 1.4