FEV1

Group A

Group B

Test value

P-value

No. = 15

No. = 10

Before supplementation

Mean ± SD

69.54 ± 9.53

75.38 ± 10.20

−1.436•

0.163

Range

40 - 82

65 - 96

After supplementation

Mean ± SD

80.85 ± 8.79

85.25 ± 7.27

−1.252•

0.222

Range

63 - 102

78 - 100

Paired t-test

−7.603

−6.509

P-value

<0.001

<0.001

% change

Median (IQR)

16.75

(6.83 - 23.13)

15.16

(7.56 - 18.96)

−0.636ǂ

0.525

Range

4 - 57.5

4.17 - 22.86