Fig. 3From: Comparison of anesthetic effects of different doses of alfentanil combined with ciprofol in elderly patients undergoing ERCP: a randomized controlled trialComparison of HR of the patients in three groups at different time points (*showed that the comparison with HR at T0 and T1 had no statistical differences, (P > 0.05); # showed statistical difference of HR between group A and group B from T2 to T5(P < 0.05); ## showed statistical difference of HR between group B and group C from T2 to T5 (P < 0.05))Back to article page