Additional file 1: of Assessing the healthcare resource use associated with inappropriate prescribing of inhaled corticosteroids for people with chronic obstructive pulmonary disease (COPD) in GOLD groups A or B: an observational study using the Clinical Practice Research Datalink (CPRD) James Chalmers Chris Poole Samantha Webster Abigail Tebboth Scott Dickinson Alicia Gayle 10.6084/m9.figshare.6131933.v1 https://springernature.figshare.com/articles/journal_contribution/Additional_file_1_of_Assessing_the_healthcare_resource_use_associated_with_inappropriate_prescribing_of_inhaled_corticosteroids_for_people_with_chronic_obstructive_pulmonary_disease_COPD_in_GOLD_groups_A_or_B_an_observational_study_using_the_Clinical_Prac/6131933 Codes used to identify patients, exposure and outcomes. (DOCX 122 kb) 2018-04-11 05:00:00 Chronic obstructive pulmonary disease Resource use Inhaled corticosteroids, Long-acting bronchodilators