Letter by Butcher et al Regarding Article, “Body Mass Index and Mortality Among Adults Undergoing Cardiac Surgery: A Nationwide Study With a Systematic Review and Meta-Analysis”
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To the Editor:
We read with great interest the article by Mariscalco et al1 and commend the superb analysis presenting the association between obesity and mortality in cardiac surgery.
Somewhat surprising is the paradoxical outcome observed with regard to morbidity and mortality …