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Table 2 Clinical characteristics in the four groups during perioperative period

From: Effects of dexmedetomidine on cardiac electrophysiology in patients undergoing general anesthesia during perioperative period: a randomized controlled trial

  Group D1 Group D2 Group D3 Group C P value
Duration of Surgery (min) 100.6 ± 30.5 91.1 ± 35.7 88.6 ± 25.8 93.5 ± 31.6 0.710
Duration of anesthesia (min) 129.9 ± 33.0 115.3 ± 38.8 113.3 ± 26.2 118.1 ± 30.6 0.462
Waking time from surgery (min) 10.9 ± 3.5 9.7 ± 3.1 9.3 ± 2.5 8.4 ± 2.9 0.123
Total fluid intake from entering the operating theater to PACU (ml) 1171.9 ± 414.3 1180.6 ± 394.8 1030.0 ± 297.9 1152.4 ± 438.3 0.631
Patients with hypertension, n(%) 4 (25.0%) 2 (11.1%) 3 (16.7%) 2 (11.8%) 0.708
Dosage of propofol (mg/kg/h) 5.1 ± 1.0 5.2 ± 1.0 5.5 ± 1.1 6.1 ± 1.4 0.042
Dosage of remifentanil (μg/kg/h) 6.5 ± 2.4* 5.8 ± 1.7* 6.3 ± 2.2* 8.4 ± 1.4  < 0.001
  1. Data are expressed as numbers or mean ± SD
  2. PACU Post-anesthesia care unit
  3. P < 0.05, * P < 0.01, compared with group C