Fig. 4From: Effects of quadratus lumborum block on perioperative multimodal analgesia and postoperative outcomes in patients undergoing radical prostatectomyA Comparison of pain at rest between the two groups. B Comparison of pain when coughing between the two groups. Note QLB group Quadratus lumborum block group, NS group normal saline group, NRS numeric rating scale. *P<0.05Back to article page