Fig. 1From: High-flow nasal cannula oxygen therapy versus noninvasive ventilation for patients with blunt chest trauma: protocol for a randomized controlled trialStudy flow chart according to CONsolidated Standards of Reporting Trials. BCT, blunt chest trauma; AIS, Abbreviated Injury Scale; PO2, partial pressure of oxygen; FiO2, fraction of inspiration oxygen; ABG, arterial blood gas; ICU, intensive care unit; HFNC, high-flow nasal cannula oxygen therapy; NIV, noninvasive ventilationBack to article page