| Pretreatment Mean FVC (%) | Post treatment Mean FVC (%)
| p value | Pretreatment Mean FEV1 (%) | Post treatment Mean FEV1 (%) | P value |
Arm A Arm B | 56.80 56.60 | 59.45 61.45 | 0.24 0.11 | 53.90 54.40 | 56.10 56.40 | 0.23 0.09 |