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

Table 2

Descriptive statistics for heart rate and mean blood pressure by the groups.

	Group	N	Mean of the variation	Standard deviation	Mean standard error
MAP variation with OTI	MG	19	−1.43	17.56	4.03
	RG	19	−3.96	17.02	3.90
MAP variation with incision	MG	20	1.89	7.38	1.65
	RG	19	1.55	10.89	2.50
HR variation with OTI	MG	20	9.24	15.14	3.39
	RG	19	1.49	9.31	2.14
HR variation with incision	MG	20	1.89	6.42	1.44
	RG	19	1.02	5.79	1.33

MG, magnesium sulfate group; RG, remifentanil group; MAP, mean arterial pressure; HR, heart rate; OTI, orotracheal intubation; n, number of participants.