Table 3. Meta-analysis results .

Outcome/intervention	Effect size and 95% CI						Heterogeneity
	Number studies	Risk ratio	Lower limit	Upper limit	Z-value	P -value	Q-value	df (Q)	P value	I 2
Airway repositioned/ opened	4	1.47	1.02	2.11	2.08	0.037	3.64	3	0.30	17.48
Apnea	3	1.56	0.90	2.72	1.58	0.114	0.20	2	0.90	0.00
Assisted ventilation	3	2.64	1.19	5.86	2.39	0.017	0.03	2	0.99	0.00
Desaturation	3	1.09	0.80	1.49	0.55	0.582	1.42	2	0.49	0.00