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. 2022 Jan 6;12(1):e053667. doi: 10.1136/bmjopen-2021-053667

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© Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

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Forest plot of length of hospital stay (LOS). There was a statistically insignificant increase in LOS of about 1.5 day in the intensive care unit (ICU) group compared with non-ICU protocol. The horizontal lines indicate the 95% CI for the four included studies. The squares in the middle of the lines indicate the mean effect of the study. The diamond shape at the bottom indicates the 95% CI for the pooled effect.