Table 3.
Comparisons of i-gel® and LMA SupremeTM after Insertion
| Variable | i-gel® (n = 19) | LMA-S (n = 16) | Mean difference (95% CI) | P value |
|---|---|---|---|---|
| Maneuver for ventilation (n [%]) | 6 (31.6) | 6 (37.5) | −5.9% (−35%, 23%) | 0.713 |
| Oropharyngeal leak pressure (cmH2O) | 26.9 ± 5.9 | 24.1 ± 4.3 | −7.9 (−13.8, −1.9) | 0.116 |
| Gastric insufflations (n [%]) | 0 (0) | 5 (31.3) | −31.3% (−56%, −7%) | 0.013 |
| Fiberoptic view (1/2/3/4, n)* | 2/12/5/0 | 0/13/3/0 | NA | 0.865 |
| Ventilation problem (n [%]) | 2 (10.5) | 5 (31.3) | −21.8% (−46%, 6%) | 0.207 |
Values are mean ± SD, number (%), or number. LMA-S: LMA SupremeTM, NA: not applicable.
*
Fiberoptic view grading: grade 1, only vocal cord visible; 2, vocal cord and/or arytenoid visible; 3, only epiglottis visible; 4, other structure (e.g., cuff, pharynx) visible.