Comparison 3. Adverse Events.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Hypoxia	2	302	Risk Ratio (M‐H, Random, 95% CI)	1.77 [0.97, 3.24]
2 Pneumothorax	2	302	Risk Ratio (M‐H, Random, 95% CI)	2.06 [0.71, 5.95]
3 Hypotension	2	302	Risk Ratio (M‐H, Random, 95% CI)	1.38 [0.87, 2.19]
4 Bradycardia	2	302	Risk Ratio (M‐H, Random, 95% CI)	2.51 [1.31, 4.81]
5 Cardiac Arrest	2	302	Risk Ratio (M‐H, Random, 95% CI)	1.31 [0.56, 3.04]