A comparison of the risk of hospitalizations due to chronic obstructive pulmonary disease in medicaid patients with various medication regimens, including ipratropium, inhaled corticosteroids, salmeterol, or their combination

ICS + SAL was associated with a significantly lower risk of COPD-related hospitalization compared with IPR alone during the initial 12 months of therapy in a Medicaid population. Additional studies are needed to confirm these findings across different populations.