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

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

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