Figure 1From: Randomized comparison of the i-gel™, the LMA Supreme™, and the Laryngeal Tube Suction-D using clinical and fibreoptic assessments in elective patients Flow chart of the study, showing the subdivision into groups corresponding to each supraglottic airway device. 1st or 2nd success = insertion success rate for the first or the second insertion attempt. i-gel™; LMA-S = LMA-Supreme™; LTS-D = Laryngeal Tube Suction-D; TT = tracheal tube.Back to article page