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The correlation coefficient of arterial and venous blood gas analysis for pH, PCO2, HCO3, PO2, O2 saturation and base excess in mechanically ventilated patients.
| pH | PCO2 | HCO3 | PO2 | SaO2 | BE | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ABG | VBG | ABG | VBG | ABG | VBG | ABG | VBG | ABG | VBG | ABG | VBG | |
| ABG | 1 | 0.801 | 1 | 0.835 | 1 | 0.768 | 1 | 0.287 | 1 | 0.317 | 1 | 0.810 |
| VBG | 0.801 | 1 | 0.835 | 1 | 0.768 | 1 | 0.287 | 1 | 0.317 | 1 | 0.810 | 1 |
| p value | p<0.001 | p<0.001 | p<0.001 | p=0.003 | p= 0.001 | p<0.001 | ||||||
