Table 3 Comparison of end-tidal carbon dioxide measurement (ETCO2), pH, arterial partial pressure of carbon dioxide (PaCO2), bicarbonate level (HCO3), and serum lactate for the different positive end-expiratory pressure (PEEP) levels applied during CPR
PEEP level | Estimated mean (SE) | ||||
|---|---|---|---|---|---|
ETCO2 | pH | PaCO2 | HCO3 | Lactate | |
0 | 23.92 (1.56) | 7.26 (0.03) | 39.02 (2.71) | 17.68 (1.17) | 8.41 (0.82) |
5 | 25 (1.56) | 7.29 (0.03) | 35.69 (2.71) | 17.31 (1.17) | 8.61 (0.82) |
10 | 25 (1.56) | 7.34 (0.03) | 31.42 (2.71) | 16.94 (1.17) | 8.01 (0.82) |
15 | 25.46 (1.56) | 7.33 (0.03) | 29.91 (2.71) | 15.89 (1.17) | 8.25 (0.82) |
20 | 24.39 (1.56) | 7.36 (0.03) | 27.67 (2.71) | 15.36 (1.18) | 8.25 (0.82) |
P value | 0.803 | 0.05 | 0.001 | 0.301 | 0.906 |