Fig. 2. Changes in hemodynamic variables during i-gel insertion. Data are presented as the mean ± SD. (A) systolic blood pressure, (B) diastolic blood pressure, (C) mean blood pressure, and (D) heart rate. ^*P < 0.05, vs. Group P1.5 (Bonferroni corrected). ^†P < 0.05, vs. baseline in each group (Bonferroni corrected).