Fig. 3From: Use of intravenous lidocaine for dose reduction of propofol in paediatric colonoscopy patients: a randomised placebo-controlled studyThe changes of mean HR in two groups. The basal HR (BHR), the lowest HR in the procedure (LHR), and the HR after the procedure (AHR). Data are shown as the mean ± SD. No significant difference was detected in heart rate between the lidocaine group and control group (analysis of variance: P = 0.354)Back to article page