Effect of Low-Dose (Single-Dose) Magnesium Sulfate on Postoperative Analgesia in Hysterectomy Patients Receiving Balanced General Anesthesia

Table 1

Demographic characteristics of patients in two magnesium sulfate and saline groups.

Variable	Magnesium sulfate^*	Saline^*	value
	( = 20)	( = 20)
Age (yr)	50.45 ± 5.74	51.85 ± 5.39	0.431
Weight (Kg)	76.85 ± 12.21	76.05 ± 11.05	0.829
Duration of surgery (h)	1.53 ± 0.23	1.55 ± 0.20	0.718

Data are mean ± SD.