Fig. 3From: Sedative effect of remimazolam combined with alfentanil in colonoscopic polypectomy: a prospective, randomized, controlled clinical trialThe time interval for the first addition of remimazolam. Compared with AR1 group, ****P < 0.0001, compared with AR2 group, ##P < 0.01. The time interval was presented as median (25th–75th centiles). Abbreviations: AR1 alfentanil and remimazolam (0.1 mg/kg); AR2 alfentanil and remimazolam (0.15 mg/kg); AR3 alfentanil and remimazolam (0.2 mg/kg)Back to article page