Relevance of Controling for Confounding in Observational Studies

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Residual confounding in observational studies.

To the Editor:—I read the study by Fellahi JL et al. titled “Perioperative use of dobutamine in cardiac surgery and adverse cardiac outcome” with great interest. This study showed that the use of dobutamine was associated with adverse outcomes in adult cardiac surgery, and the authors concluded that these results suggest that dobutamine should only be administered when the benefit is judged to ...

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ژورنال

عنوان ژورنال: Archivos de Bronconeumología (English Edition)

سال: 2019

ISSN: 1579-2129

DOI: 10.1016/j.arbr.2019.01.001