Additional file 1: of Early nasal high-flow versus Venturi mask oxygen therapy after lung resection: a randomized trial

Figure S1. Visual analog scale for the assessment of patient’s dyspnea. Figure S2. Mean (standard deviation) FiO2 in the two study groups (p = 0.23 for the inter-group comparison). Figure S3. Kaplan–Meier plots of the cumulative incidence of moderate-to-severe postoperative hypoxemia, which was defined as a PaO2/FiO2 ratio lower than 200 mmHg. Figure S4. Postoperative dyspnea, as assessed by the visual analog scale, in the two study groups. No inter-group differences were detected (ANOVA p = 0.97). A part of these results is displayed in Table 1. (PPTX 200 kb)