Figure 1

Clinical and laboratory data before and after pulse therapy. a – Wheezing exacerbations before and after pulse therapy (n = 33). b – Hospitalizations before and after pulse therapy (n = 36). c – Oxygen saturation (SatO₂) before and after 1 year of pulse therapy (n = 34). d – Oxygen saturation (SatO₂) before and after 1 and 2 years of pulse therapy (n = 21).