Fig. 2.
Sequence of dosing in the five groups. Group A: sufentanil + remimazolam, Group B: sufentanil + propofol, Group C: sufentanil + 25%ED50remimazolam + propofol, Group D: sufentanil + 50%ED50remimazolam + propofol, Group E: sufentanil + 75%ED50remimazolam + propofol. The open circles represent the loss of the eyelash reflexs and the solid circles represent the presence of the eyelash reflex. The solid and dotted horizontal lines are the ED50 and 95% CI. ED50 (median effective dose), 95% CI (95% confidence interval)
