Mean (± 95% CI) change in arterial pO2, pCO2, FIO2 and A:a ratio with change in mode of ventilation (negative figure denotes reduction)
| Δ pO2(Kpa) | Δ pCO2(Kpa) | Δ FIO2 | Δ A:a | |
|---|---|---|---|---|
| CMV→PTV | −2.2 (−5.2 to +0.7) | 0.0 (−0.3 to + 0.4) | 0.00 (−0.05 to +0.04) | −0.053-160(−0.10 to 0.0) |
| CMV→CMV | −0.4 (−1.3 to +0.6) | −0.3*(−0.6 to 0.0) | −0.01 (−0.04 to + 0.02) | −0.01 (−0.06 to +0.03) |
| PTV→CMV | −1.8 (−3.8 to +0.3) | 0.0 (−0.4 to +0.4) | +0.01 (−0.02 to +0.03) | −0.04 (−0.09 to +0.01) |
| PTV→PTV | +0.3 (−3.4 to +3.9) | +0.2 (0.0 to + 0.5) | +0.01 (−0.07 to +0.09) | −0.01 (−0.06 to +0.05) |
↵3-160 p=0.045, *p=0.05.