Fig. 1
From: Barriers and challenges in the process of including critically ill patients in clinical studies
![Fig. 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13049-020-00732-x/MediaObjects/13049_2020_732_Fig1_HTML.png)
Flowchart of the study showing the process of patient enrolment, exclusion, omissions and inclusion; ICU intensive care unit, LOS length of stay, n number of patients