Respiratory parameters

Group A (n = 44)

Group B (n = 44)

t

p

Total lung capacity (L)

5.36 ± 1.98

4.47 ± 1.26

2.515

0.013

Maximum respiration flow-rate (L/S)

4.99 ± 0.47

4.39 ± 1.19

3.111

0.002

Tidal volume (L)

0.56 ± 0.12

0.38 ± 0.09

7.960

<0.001

Vital capacity (L)

5.27 ± 1.37

4.67 ± 1.14

2.233

0.028