Table 1

Thickness end inspiration (mm)

3.25 (0.21)

^a2.66 (0.20)

^b,c3.22 (0.30)

<0.001^*

Thickness end expiration (mm)

2.11 (0.20)

^d2.00 (0.15)

2.07 (0.15)

0.112^*

Thickening fraction

0.54 (0.07)

^e0.36 (0.10)

^f,g0.49 (0.11)

<0.001^*

Diaphragmatic motion (mm)

18.66 (2.23)

^h13.27 (4.93)

15.31 (0.40)

0.055

Diaphragmatic motion forced (mm)

54.61 (19.34)

-

56.34 (13.75)

0.298