Table 2 Initial patient diaphragm and quadriceps characteristics

Diaphragm strength (PdiTw)

7.4

5.4

3.7

5.8

0.050

4.7–10.1

4.2–6.5

2.5–4.9

4.0–7.6

n = 19

n = 15

n = 15

n = 15

Diaphragm thickness (cm)

0.26

0.27

0.26

0.25

0.878

0.23–0.29

0.24–0.30

0.23–0.30

0.22–0.28

n = 19

n = 15

n = 16

n = 17

Quadriceps strength (QuadTw)

5.9

5.2

4.6

5.1

0.913

3.1–8.6

1.9–8.6

2.8–6.4

3.0–7.3

n = 20

n = 17

n = 16

n = 18

Quadriceps thickness (cm)

2.8

3.3

3.1

2.6

0.327

2.4–3.3

2.7–3.8

2.6–3.6

1.9–3.3

n = 20

n = 16

n = 15

n = 18