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Comment & Response
March 7, 2017

Time Interval Data in a Pediatric In-Hospital Resuscitation Study—Reply

Author Affiliations
  • 1Research Center for Emergency Medicine, Aarhus University Hospital, Aarhus, Denmark
  • 2Department of Anesthesiology and Critical Care, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania
  • 3Department of Emergency Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts
JAMA. 2017;317(9):973. doi:10.1001/jama.2016.21151

In Reply Mr Stewart raises the concern that time-interval reporting during in-hospital cardiac arrest may not be fully accurate but says that the comparisons between intubation and no intubation “still should be valid.” Although we recognize that time intervals during cardiac arrest may have some degree of inaccurate reporting,13 we agree with Stewart that this is unlikely to affect our findings, as this misclassification is likely undifferentiated (ie, not related to outcomes).4 Presumably, inaccurate data would have tended to bias the data analysis to the null (ie, minimize the likelihood of demonstrating a difference between the 2 groups). Like Stewart, we welcome initiatives to further improve time recording during in-hospital cardiac arrest, such as tablet-based recording.2,3

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