Outcomes of interest
Outcomes of interest for this review are as follows 30. in‐hospital mortality 31. morbidity (pulmonary, cardiovascular or other) 32. clinical adverse events (see instructions) 33. oxygenation index ((mean airway pressure × FiO2 × 100/PaO2 or able to be calculated from individual data) or hypoxia score (PaO2/FiO2 ratio stated or able to be calculated from individual data) 34. pulmonary artery pressures 35. vital signs 36. duration of mechanical ventilation 37. length of stay in the critical care area 38. length of stay in hospital 39. patient comfort or satisfaction measures
State the outcome of interest reported in the paper (usually reported in abstract/introduction and/or methods section). Any event or outcome described in the analysis section only, which is not an intended outcome under investigation, describe under trial characteristics	Time points of measurement or time to follow‐up (see instructions)
Number _____ Provide description of outcome _____________________________
Number _____ Provide description of outcome _____________________________
Number _____ Provide description of outcome _____________________________
Number _____ Provide description of outcome _____________________________
Number _____ Provide description of outcome _____________________________