Intraoperative Analgesia with Magnesium Sulfate versus Remifentanil Guided by Plethysmographic Stress Index in Post-Bariatric Dermolipectomy: A Randomized Study

Table 3

Student’s test for difference in MAP, mean arterial pressure; HR, heart rate; OTI, orotracheal intubation.

		Levene test for equality of variances				t test for equality of means
	Equal variances assumed	Z	Sig.	t	df	Sig (2 ends)	Mean difference	Standard error of difference
MAP variation with OTI	Yes	0.400	0.531	0.451	36	0.665	2.52925	5.61097
	No			0.451	35.966	0.665	2.52925	5.61097
MAP variation with incision	Yes	1.750	0.194	0.113	37	0.910	0.33606	2.96516
	No			0.112	31.469	0.911	0.33606	2.99421
HR variation with OTI	Yes	2.738	0.106	1.912	37	0.064	7.74740	4.05114
	No			1.935	31.805	0.62	7.74740	4.00325
HR variation with incision	Yes	0.795	0.378	0.447	37	0.657	0.87781	1.96210
	No			0.449	36.904	0.656	0.87781	1.95677