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Fig. 4 | BMC Pulmonary Medicine

Fig. 4

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. 4

Model results of three-error patterns (‘breathe out completely before inhalation’, breathe in’, ‘hold breath (for at least 6 s)’) 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 (three-error pattern, with the reference group: patients with none of the three considered errors)

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BMC Pulmonary Medicine

ISSN: 1471-2466

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