LAMA/LABA group (n = 19)

LAMA/LABA

Before inhalation

LAMA/LABA

After inhalation

p value

LAMA/LABA vs Control

VC (L)

2.7 ± 0.7

2.7 ± 0.7

0.9372

%VC (%)

99.6 ± 20.2

101.2 ± 23.4

0.8270

FEV₁ (L)

2.2 ± 0.6

2.2 ± 0.6

0.9967

%FEV₁ (%)

79.2 ± 6.4

80.7 ± 5.8

0.4706