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Annals of Intensive Care
Fig. 1 | Annals of Intensive Care

Fig. 1

From: Spontaneous breathing trial with pressure support on positive end-expiratory pressure and extensive use of non-invasive ventilation versus T-piece in difficult-to-wean patients from mechanical ventilation: a randomized controlled trial

Fig. 1

Flow chart of the study; ICU intensive care unit; pts patients. *One patient was not included at the beginning of the COVID-19 pandemic due to lack of data regarding the risk of COVID-19 transmission to healthcare workers during T-piece trials. Inclusions were then transiently interrupted (see text for details)

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