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. Author manuscript; available in PMC: 2016 Dec 1.
Published in final edited form as: Crit Care Med. 2015 Dec;43(12):2651–2659. doi: 10.1097/CCM.0000000000001314

Figure 1.

Figure 1

Study design and patient selection.

ICU = intensive care unit; ARDS = acute respiratory distress syndrome; *11 patients met both criteria for exclusion from current analysis.