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Fig. 5 | BMC Pulmonary Medicine

Fig. 5

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. 5

Model results of the number of inhalation errors (within the 6-error pattern top row, and within the 3-error pattern lower row) on Clinical COPD Questionnaire CCQ (left) and COPD Assessment Test CAT (right). 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 categorical predictors (error count, with the reference group: patients with none of the considered errors)

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