I read with great interest the cross-sectional study data reported by Patil et al1 about generalizable estimates, admission characteristics, and risk factors for in-hospital mortality in patients admitted for acute exacerbation of chronic obstructive pulmonary disease (COPD). The authors comment that age, sex, median income, comorbid illnesses, nonroutine admissions, and insurance status have a bearing on mortality during hospitalization. The relationship between long-term use of inhaled corticosteroids (ICSs) and systemic corticosteroids on in-hospital mortality was not studied.
Punnam SR. In-Hospital Mortality and Long-term Use of Inhaled Corticosteroids. Arch Intern Med. 2004;164(2):222. doi:10.1001/archinte.164.2.222-a
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