A Comparative Study Between Single Medial Canthus Injection Using 13 x 0.45 mm Needle and Posterior Sub-Tenon Injection as Local Anesthesia Techniques for Strabismus Surgery in Adults

Table 2: Comparison between the studied groups as regard onset of akinesia, anesthesia, and the need for sedation.

-		Groups		Wilcoxon Signed Ranks Test
-		A	B	Z	P value
Ocular Akinesia (1 min)	Minimum	1.0	.0	2.54	0.011*
	Maximum	8.0	8.0
	Median	4.5	4.0
	IQR	4.0-7.0	2.0-6.0
Ocular Akinesia (3 min)	Minimum	1.0	.0	3.147	0.002*
	Maximum	8.0	8.0
	Median	6.0	4.0
	IQR	4.0-8.0	2.0-6.0
Ocular Akinesia (5 min)	Minimum	1.0	2.0	4.195	< 0.001*
	Maximum	8.0	8.0
	Median	8.0	6.0
	IQR	6.0-8.0	4.0-8.0
Onset of Anesthesia	Minimum	1.0	1.0	0.517	0.605
	Maximum	3.0	3.0
	Median	2.0	2.0
	IQR	1.0-2.0	1.0-2.0
Need for Sedation	Yes N (%)	4 (6.7)	10(16.7)	2.911	.088
Need for Sedation	No N (%)	56 (93.3)	50 (83.3)	2.911	.088

*significant at p <0.05