Figure 2From: Investigating the relationship between peak inspiratory flow rate and volume of inhalation from a Diskus™ Inhaler and baseline spirometric parameters: a cross-sectional studyMean and 95% Confidence Interval plots for (a) spirometric PIFR versus patient disease group; (b) Diskus™ PIFR versus patient disease group; (c) spirometric IVC versus patient disease group; and (d) DiskusTMIVC versus patient disease group. NRC: Non-respiratory condition, NMD: Neuromuscular disease.Back to article page