Fig. 3

Mortality: high-flow oxygen via nasal cannulae vs. non-invasive ventilation or standard oxygen therapy. Boxes and horizontal lines represent point estimates and 95% confidence intervals, varying in size according to the weight in the analysis
Mortality: high-flow oxygen via nasal cannulae vs. non-invasive ventilation or standard oxygen therapy. Boxes and horizontal lines represent point estimates and 95% confidence intervals, varying in size according to the weight in the analysis