Table 2 Comparison between the intraoperative and post-operative heart rate in the two groups

Intraoperative heart rate (beats/min)

Time

Heart rate

(beats/min)

Heart rate

(beats/min)

 0 (min)

65.26 ± 5

66.11 ± 6

0.8460

0.359

 60 (min)

62.61 ± 5

67.06 ± 6

21.5878

 < 0.001

 120 (min)

59.60 ± 7

68.19 ± 6

63.3369

 < 0.001

 180 (min)

57.10 ± 8

68.63 ± 7

64.8844

 < 0.001

 240 (min)

58.74 ± 6

66.46 ± 10

10.8138

0.002

Patient developed bradycardia (< 50 bpm) requiring atropine

20

5

11.7170

 < 0.001

Post-operative heart rate (beats/min)

 PACU

60.71 ± 6

67.06 ± 6

42.5388

 < 0.001

 6 (h)

61.59 ± 5

67.63 ± 6

39.8373

 < 0.001

 12 (h)

62.61 ± 5

68.09 ± 6

33.0721

 < 0.001

 24 (h)

65.26 ± 5

68.59 ± 6

13.0192

 < 0.001