| Group I | Group II | P value |
---|---|---|---|
End-tidal CO2 (mmHg) | 38.3 ± 8.5 | 56.4 ± 10.3 | < 0.05* |
SaO2 (%) | 75.3 ± 9.2 | 89.5 ± 6.3 | < 0.05* |
QTc (s) | 0.69 ± 0.17 | 0.45 ± 0.11 | < 0.05* |
MEES (postintub.) | 18.3 ± 6.1 | 22.4 ± 3.3 | < 0.05* |
APACHE II | 32.7 ± 9.4 | 20.6 ± 5.8 | < 0.05* |
Intubation-Y/N | 22/7 | 11/21 | < 0.05†|
Ratio dead/survive | 11/19 | 3/28 | < 0.05†|