serum ferritin level and pulmonary function parameters (FEV1, FVC, FEV1/FVC, PEF) in group
Ia however there was no significant correlation between serum ferritin and post-bronchodilators
changes in FEV1. There was a statistical significant difference between the anemic group and
non-anemic group regarding PFTs as PFTs were better in non-anemic group.