From: Differences in heart rate variability may be related to the appearance of postoperative pain in patients undergoing breast cancer surgery
Group A
Group B
p value
HR (beat/min)
82.8 ± 12.2
76 ± 12.7
0.42
Systolic blood pressure (mmHg)
139.9 ± 14.6
144.5 ± 16.9
0.78
Diastolic blood pressure(mmHg)
81 ± 15.9
68.5 ± 12.4
0.10
SpO2 (%)
99.4 ± 1.1
100 ± 0
0.24