To the Editor In a large retrospective evaluation of intubation during cardiac arrest, Dr Andersen and colleagues suggested that intubation during the first 15 minutes of in-hospital cardiac arrest was associated with decreased survival.1 Although the authors tried to balance the distribution of groups with statistical analysis, the original groups were significantly different, preventing like groups from being analyzed.
Wilt JL, Lee D. Intubation During In-Hospital Cardiac Arrest. JAMA. 2017;317(19):2019. doi:10.1001/jama.2017.4419
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