Fig. 2From: Statin use associated with a reduced risk of pneumonia requiring hospitalization in patients with myocardial infarction: a nested case-control studySubgroup analysis of patients in different comorbidity subgroups. CHADS2 = congestive heart failure, hypertension, age > 75 years, diabetes mellitus and previous stroke; CHF = congestive heart failure; CI = confidence interval; COPD = chronic obstructive pulmonary disease; DM = diabetes mellitus; HTN = hypertension; OR = odds ratioBack to article page