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. 2020 Jan 28;21(2):e27. doi: 10.4142/jvs.2020.21.e27

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.