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Effect of asthma exacerbations on health care costs among asthmatic patients with moderate and severe persistent asthma
Keywords: Moderate persistent asthma; severe persistent asthma; asthma-related costs; asthma-related resource use; asthma exacerbationsCCI, Charlson Comorbidity Index; ED, Emergency department; GINA, Global Initiative for Asthma; HEDIS, Health Plan Employer Data an