4. Sensitivity analyses for the comparison: inhaled corticosteroids plus standard care versus standard care with or without placebo.

Outcome	Main analyses	Risk of bias (excluding studies at high risk of bias)	Fixed‐effect vs random‐effects model	Preprint vs journal publication
All‐cause mortality at up to day 30	RR 0.61, 95% CI 0.22 to 1.67; 3 studies, 2132 participants	There were no RCTs with high risk of bias concerning this outcome.	RR 0.61, 95% CI 0.22 to 1.67; 3 studies, 2132 participants	RR 0.61, 95% CI 0.22 to 1.67; 3 studies, 2132 participants

CI: confidence interval; RCT: randomised controlled trial; RR: risk ratio.