Additional file 1 of High-flow nasal cannula versus non-invasive ventilation for acute hypercapnic respiratory failure in adults: a systematic review and meta-analysis of randomized trials

Additional file 1: Table S1. Embase and Medline Search Results. Table S2. Cochrane Central Search Results. Table S3. Excluded Studies. Table S4. Risk of Bias Table. Fig. S1. Forest plot of mortality—subgroup analysis by risk of bias. Fig. S2. Forest plot of mortality—subgroup analysis excluding Wang et al. Fig. S3. Forest plot of intubation—subgroup analysis by risk of bias. Fig. S4. Forest plot of intubation—subgroup analysis excluding Wang et al. Fig. S5. Forest plot of ICU Length of Stay—subgroup analysis by risk of bias. Fig. S6. Forest plot of ICU Length of Stay—subgroup analysis excluding Wang et al. Fig. S7. Forest plot of Hospital Length of Stay—subgroup analysis by risk of bias. Fi…