Fig. 1From: The economic burden of asthma and chronic obstructive pulmonary disease and the impact of poor inhalation technique with commonly prescribed dry powder inhalers in three European countriesAnnual direct per-patient costs of asthma and COPD. The annual per-patient costs of asthma and COPD were calculated by dividing the total annual costs by the number of eligible patients in the model. Values are subject to roundingBack to article page