Table 2 Comparison of respiratory function test results in patients with asthma before and after the intervention

FEV1 (L)

 Baseline

2.5 ± 0.66

2.41 ± 0.6

0.14 (−0.52 to 0.80)

0.674^t

 2nd consultation

2.7 ± 0.66

2.40 ± 0.64

0.46 (−0.22 to 1.12)

0.135^t

 Cohen’s d (95% CI)

−0.30 (−0.98 to 0.38)

0.01 (−0.65 to 0.68)

 p

0.0039^tp

0.577^tp

FVC (L)

 Baseline

3.4 ± 0.69

3.2 ± 0.65

0.29 (−0.37 to 0.96)

0.449^t

 2nd consultation

3.6 ± 0.57

3.3 ± 0.68

0.47 (−0.21 to 1.14)

0.143^t

 Cohen’s d (95% CI)

−0.31 (−0.98 to 0.37)

−0.15 (−0.80 to 0.51)

 p

0.0007^tp

0.150^tp

FEV₁/FVC (%)

 Baseline

72 ± 7

73 ± 17

−0.07 (−0.74 to 0.59)

0.241^w

 2nd consultation

74 ± 11

71 ± 17

0.21 (−0.54 to 0.77)

0.285^w

 Cohen’s d (95% CI)

−0.21 (−0.89 to 0.46)

0.12 (−0.54 to 0.77)

 p

0.463^wp

0.202^wp