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. 2022 Mar 28;26:84. doi: 10.1186/s13054-022-03950-0

Fig. 3.

Fig. 3

Variables with the highest areas under the curve for prediction of treatment success at day 28 (alive without intubation) in the APP group. a Respiratory rate at enrollment. b ROX index after the first APP session. c Mean daily duration of APP at 3 days. d Decrease in LUS score at 3 days. APP, awake prone positioning; LUS, lung ultrasound; AUC, area under the curve