Statins and outcomes in patients admitted to hospital with community acquired pneumonia: population based prospective cohort study
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Date
2006-11Author
Majumdar, S. R.
McAlister, F. A.
Eurich, D. T.
Padwal, R. S.
Marrie, T. J.
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OBJECTIVES: To determine whether statins reduce mortality or need for admission to intensive care in patients admitted to hospital with community acquired pneumonia; and to assess whether previously reported improvements in sepsis related outcomes were a result of the healthy user effect. DESIGN: Population based prospective cohort study. SETTING: Six hospitals in Capital Health, Edmonton, Alberta, Canada. PARTICIPANTS: Adults admitted to hospital with pneumonia and categorised according to use of statins for at least one week before admission and during hospital stay. MAIN OUTCOME MEASURES: Composite of in-hospital mortality or admission to an intensive care unit. RESULTS: Of 3415 patients with pneumonia admitted to hospital, 624 (18%) died or were admitted to an intensive care unit. Statin users were less likely to die or be admitted to an intensive care unit than non-users (50/325 (15%) v 574/3090 (19%), odds ratio 0.80, P=0.15). After more complete adjustment for confounding, however, the odds ratios changed from potential benefit (0.78, adjusted for age and sex) to potential harm (1.10, fully adjusted including propensity scores, 95% confidence interval 0.76 to 1.60). CONCLUSIONS: Statins are not associated with reduced mortality or need for admission to an intensive care unit in patients with pneumonia; reports of benefit in the setting of sepsis may be a result of confounding.
Citation
Majumdar, S. R., F. A. McAlister, D. T. Eurich, R. S. Padwal, et al. 2006. "Statins and outcomes in patients admitted to hospital with community acquired pneumonia: population based prospective cohort study." BMJ (Clinical research ed.) 333(7576): 999.