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Fig. 1 | BMC Pediatrics

Fig. 1

From: Perioperative effects of caudal block on pediatric patients in laparoscopic upper urinary tract surgery: a randomized controlled trial

Fig. 1

Comparisons of fentanyl usage and frequency of hemodynamics fluctuation during operation between groups. a Comparisons of intraoperative fentanyl usage. b Comparisons of intraoperative frequency of hemodynamics fluctuation. The whisker of boxplot stands for the min and max, line in box stands for median. * P < 0.05, ** P < 0.01. Non-block: patients received no caudal block, ROP1.0: patients received 1.0 mL/kg of 0.15% ropivacaine, ROP1.3: patients received 1.3 mL/kg of 0.15% ropivacaine

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