Effectiveness and Safety of Single Percutaneous Peribulbar Block Using Magnesium Sulphate as an Adjuvant to Local Anesthetics Versus the Standard Peribulbar Block for Strabismus Surgery in Adults

Table 3: Comparison of operative and postoperative outcomes between the studied groups.

		Groups				Tests of Significance
		Group I N=27		Group II N=27		Tests of Significance
		N	%	N	%	P value
Forced Duction Test	Negative palsy	13	48.1%	6	22.2%	0.046*
Forced Duction Test	Positive Mechanical restriction: resistance	14	51.9%	21	77.8%	0.046*
Muscle Stretch	Abnormal	3	11.1%	22	81.5%	<0.001*
Muscle Stretch	Normal	24	88.9%	5	18.5%	<0.001*
Need for Sedation	No	27	100.0%	10	37.0%	<0.001*
Need for Sedation	Yes	0	0.0%	17	63.0%	<0.001*
Oculo-Cardiac Reflex	No	27	100.0%	18	66.7%	0.002*
Oculo-Cardiac Reflex	Yes	0	0.0%	9	33.3%	0.002*
Postoperative Alignment	Aligned	27	100.0%	26	96.3%	1.00
Postoperative Alignment	Not aligned	0	0.0%	1	3.7%	1.00
Patient Satisfaction	No	0	0.0%	20	74.1%	<0.001*
Patient Satisfaction	Yes	27	100.0%	7	25.9%	<0.001*
Postoperative Analgesia	Need	0	0.0%	13	48.1%	<0.001*
Postoperative Analgesia	No	27	100.0%	14	51.9%	<0.001*
Pain Score	Minimum-Maximum	0.0-2.0		3.0-5.0		<0.001*
	Median	1.0		4.0
	IQR	0.0-2.0		3.0-5.0
	Mean rank	14.0		41.0

*significant at p<0.05