From: Effect of spirometry on intra-thoracic pressures
Absolute
Relative
FVC, L
5.71 ± 0.51
102 ± 6
%Pred.
FEV1, L
4.45 ± 0.47
95 ± 8
FEV1/FVC, %
78 ± 5
− 1 ± 0.6
z-score
Pesinsp, cmH2O
− 47 ± 9
37 ± 10
%PImax
Pesexp, cmH2O
102 ± 34
75 ± 17
%PEmax
ΔPes, cmH2O
149 ± 40
– ± –