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. Author manuscript; available in PMC: 2021 Dec 1.
Published in final edited form as: Crit Care Med. 2020 Dec;48(12):1710–1719. doi: 10.1097/CCM.0000000000004568

Figure 2. Butterfly plot of predicted and observed mortality risk difference.

Figure 2.

Data are sorted by sample size within each study type. One trial (sample size 1,439 patients) contained insufficient information in its reported power and sample size determination to identify predicted risk difference.