Clinical Burden of Chronic Obstructive Pulmonary Disease in Patients with Suboptimal Peak Inspiratory Flow

<div>Mean CAT scores in participants with oPIF and sPIF against the medium-low resistance DPIs. CAT = COPD assessment test; CI = confidence interval; DPI = dry powder inhaler; oPIF = optimal PIF; PIF = peak inspiratory flow; sPIF = suboptimal PIF.</div>

Canadian Respiratory Journal

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Figure 2

Figure 2: Clinical Burden of Chronic Obstructive Pulmonary Disease in Patients with Suboptimal Peak Inspiratory Flow 