Table 4. Comparison of the occurrence of hypercapnia (ETCO2 > 45 mmHg) between the ETT and SGAD groups.
Tidal volume (mL/kg) | ETT | SGAD | p-value | ||
---|---|---|---|---|---|
ETCO2 (35–45 mm Hg) | ETCO2 (> 45 mm Hg) | ETCO2 (35–45 mm Hg) | ETCO2 (> 45 mm Hg) | ||
6 | 13 | 2 | 7 | 8 | 0.05 |
8 | 14 | 1 | 10 | 5 | 0.17 |
10 | 15 | 0 | 13 | 2 | 0.48 |
12 | 15 | 0 | 13 | 2 | 0.48 |
14 | 15 | 0 | 14 | 1 | 1.00 |
Total | 72 | 3 | 57 | 18 | 0.01 |
ETT, endotracheal tube; SGAD, supraglottic airway device.