highly significantp < 0.00001
SAD group had no difference in FVC improvement, but a highly significant difference for improved FEV 1 ( p < 0.00001) and improved FEF 25-75 ( p < 0.00001) in the SAD group. 5.
SAD group had no difference in FVC improvement, but a highly significant difference for improved FEV 1 ( p < 0.00001) and improved FEF 25-75 ( p < 0.00001) in the SAD group. 5.