	Mg group		Control group		Statistical test (Z_MWU)	P value
	Median	IQR	Median	IQR	Statistical test (Z_MWU)	P value
SBG
Baseline	86.5	82.0 - 92.0	100.0	91.0 - 107.0	3.2	0.001**
Post MID	87.5	85.0 - 92.0	99.0	95.0 - 105.0	3.07	0.002**
Post nebuliz	89.5	88.0 - 91.0	97.5	93.0 - 106.0	2.87	0.004**
Post induction	91.0	88.0 - 96.0	99.5	92.0 - 106.0	2.4	0.016*
Post oti	98.0	89.0 - 100.0	99.5	94.0 - 106.0	0.60	0.55
3 min later	89.5	86.0 - 95.0	112.5	100.0 - 121.0	5.67	<0.001**
6 min later	89.5	81.0 - 100.0	126.0	117.0 - 130.0	5.14	<0.001**