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Table 4 Hemodynamic data of the two groups at measurement of HRV immediately after admission to PACU

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
  1. Group A (16 patients whose postoperative pain did not increase 12 h after the surgery)
  2. Group B (four patients whose postoperative pain increased 1 h after the surgery)
  3. Data are expressed as means ± SD
  4. HR heart rate