Skip to main content
Fig. 2 | BMC Pulmonary Medicine

Fig. 2

From: Identifying critical inhalation technique errors in Dry Powder Inhaler use in patients with COPD based on the association with health status and exacerbations: findings from the multi-country cross-sectional observational PIFotal study

Fig. 2

Associations between individual inhalation errors and the Clinical COPD Questionnaire (CCQ) and the COPD Assessment Test (CAT). For continuous outcomes (CCQ / CAT) linear multilevel models were used, reporting the estimate of the difference (β) in the absolute score (and 95% CI) between the dichotomous predictors (patients with and without the inhalation technique error)

Back to article page