highly significantp ≤ 0.0001
Differences between the two inhalers in PIF were highly significant in all five study groups (p ≤ 0.0001), while statistical significance (p < 0.05) was observed with maximum ∆P in the four patient groups.
Differences between the two inhalers in PIF were highly significant in all five study groups (p ≤ 0.0001), while statistical significance (p < 0.05) was observed with maximum ∆P in the four patient groups.