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Duration of cardiopulmonary resuscitation and outcomes for adults with in-hospital cardiac arrest: retrospective cohort study

BMJ 2024; 384 doi: https://doi.org/10.1136/bmj-2023-076019 (Published 07 February 2024) Cite this as: BMJ 2024;384:e076019

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Re: Questions about the data——Duration of cardiopulmonary resuscitation and outcomes for adults with in-hospital cardiac arrest: retrospective cohort study

Dear Editor,

I am writing to you to clarify the data in this article. The visual abstract showed that there were 384996 participants in the study, however, 348996 patients were included in the results section. I think it is necessary to confirm which one is the real data.

Thank you and best regards.

Yours sincerely,
Qiong Zhang

Competing interests: No competing interests

31 March 2024
Qiong Zhang
Doctor
Chi Jing
Wuhan, China