Comparative study between magnesium sulphate and dexmedetomidine in controlled hypotension during functional endoscopic sinus surgery: a prospective randomized study

Ain-Shams Journal of Anesthesiology

Table 5 Comparison between both groups regarding the heart rate (beat/min)

Heart rate (beat/min)	(D group) (n = 30)	(M group) (n = 30)	t test	p value
Baseline	82.54 ± 5.78	81.72 ± 5.72	0.941	0.342
After induction	73.27 ± 5.13	79.90 ± 5.59	4.343	0.029*
After 15 min	66.86 ± 4.68	72.71 ± 5.09	3.104	0.037*
After 30 min	60.17 ± 4.21	65.44 ± 4.58	4.823	0.029*
After 60 min	57.16 ± 4.00	62.17 ± 4.35	6.803	0.012*
After 90 min	60.02 ± 4.20	65.27 ± 4.57	9.004	0.008*
After 120 min	62.42 ± 4.37	67.88 ± 4.75	6.070	0.017*
End of surgery	67.42 ± 4.72	72.98 ± 5.11	6.031	0.011*
Post-extubation	74.16 ± 5.19	82.47 ± 5.77	4.525	0.017*
Post-operative 30 min	68.23 ± 4.78	75.87 ± 5.31	3.607	0.035*

Using independent sample t test; p value > 0.05 non-significant, *p value < 0.05 significant