Table 2.
Comparison of hemodynamic characteristics between the i-gel and air-Q groups.
| Variables |
air-Q (n=30) |
i-gel (n=30) |
p value a | |
|---|---|---|---|---|
| ETCO2 (mmHG) | First | 34.50 ±3.3 | 37.63 ± 4.8 | 0.009 |
| Second | 30.57 ± 2.6 | 35.43 ± 3.5 | < 0.001 | |
| Third | 28.90 ± 2.7 | 36.43 ± 4.2 | < 0.001 | |
| Forth | 28.80 ± 2.8 | 36.13 ± 3.8 | < 0.001 | |
| Friedman test results (Chi2, p value) | (47.02, < 0.001) | (4.81, 0.187) | . | |
|
| ||||
| MAP (mmHG) | First | 60.30 ± 6.7 | 62.03 ± 7.2 | 0.513 |
| Second | 51.67 ± 5.0 | 65.17 ± 5.9 | < 0.001 | |
| Third | 60.97 ± 5.1 | 66.80 ± 3.4 | < 0.001 | |
| Forth | 55.27 ± 7.7 | 69.03 ± 6.8 | < 0.001 | |
| Friedman test results (Chi2, p value) | (43.08, < 0.001) | (14.29, 0.003) | . | |
|
| ||||
| HR | First | 85.03 ± 14.0 | 86.67 ± 13.7 | 0.587 |
| Second | 72.47 ± 9.3 | 86.50 ± 11.2 | < 0.001 | |
| Third | 75.57 ± 6.1 | 87.70 ± 8.1 | < 0.001 | |
| Forth | 74.23 ± 7.5 | 85.80 ± 7.2 | < 0.001 | |
| Friedman test results (Chi2, p value) | (21.44, < 0.001) | (2.59, 0.459) | . | |
aBy the Mann–Whitney test.