Fig. 3From: Comparison of the efficacy and comfort of high-flow nasal cannula with different initial flow settings in patients with acute hypoxemic respiratory failure: a systematic review and network meta-analysisForest plots of network meta-analysis. Intubation at day 28, short-term and long-term mortality were shown in A. Comfort scores, length of ICU stay and hospital stay, and 24-h PaO2/FiO2 were shown in BBack to article page