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Table 5 Comparison for narcotic consumption intra- and postoperative between the Q group and the C group

From: Pre-emptive quadratus lumborum block for laparoscopic bariatric surgery: a prospective randomized controlled study

Variable Group Q Group C P value
Consumption of fentanyl (μg) 43.3 ± 37.2 96.7 ± 35.2 < 0.001
Consumption of morphine (mg) 4 ± 4.31 9.67 ± 4.41 0.001
Time to first dose of morphine (hours) 11.1 ± 0.97 1.6 ± 1.1 < 0.001
Number of rescue doses given for each patient 1 (0–2) 2 (0–3) 0.027
Number of patients who needed rescue analgesia 8 (53.3) 14 (93.3) 0.013
  1. Data presented as mean ± SD, median (range) or count (%)