Table 3 Comparison of OLP in i-gel™ and LMA Supreme™
i-gel™ (n = 38) | LMA Supreme™ (n = 39) | Mean difference | 95% C.I | Mann–Whitney U test p value | |
|---|---|---|---|---|---|
OLP in supine position (cm H2O) | 25.4 ± 1.4 | 22.9 ± 1.5 | 2.5 | 1.895–3.20 | < 0.001 |
OLP in lateral position (cm H2O) | 23.9 ± 1.6 | 21.5 ± 1.5 | 2.4 | 1.696–3.12 | < 0.001 |
Difference in OLP with change of position (cm H2O) | 1.5 ± 1.0 | 1.4 ± 1.1 | 0.14 | − 0.335–0.617 | 0.552 |
% Change in OLP | 5.9 ± 3.9 | 5.9 ± 4.7 | 0.038 | − 1.929–2.006 | 0.465 |