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Table 2 Comparison of the intraoperative conditions of the two groups of patients (mean ± standard deviation)

From: Ultrasound guided continuous Quadratus Lumborum block hastened recovery in patients undergoing open liver resection: a randomized controlled, open-label trial

  CQLB group PCIA group P-value
Operation time (min) 202.6 ± 65.9 186.8 ± 42.7 0.65
Propofol dosage (mg·kg−1·h− 1) 4.3 ± 0.9 5.1 ± 1.1 < 0.01
Remifentanil dosage ((ug·kg− 1·h− 1) 5.1 ± 1.3 6.7 ± 1.4 < 0.01
Time for recovery from anesthesia(min) 21.0 ± 14.3 27.7 ± 19.4 0.03