Table 1.
Ventilatory data. Data are expressed as mean ± SD.
| Variable | PEEP 12 | PEEP 9 | PEEP 6 | PEEP 3 | ZEEP |
|---|---|---|---|---|---|
| VT (mL) | 33.1 ± 17.6 | 28.6 ± 10.9 | 23.4 ± 13 | 17.3 ± 10.7 | 19.9 ± 9.0 |
| Measured PEEP (cmH2O) | 12.4 ± 0.4 | 9.6 ± 0.6 | 6.8 ± 0.5 | 4.1 ± 0.7 | 1.1 ± 0.8 |
| Ppeakrs (cmH2O) | 33.9 ± 5.7 | 32.7 ± 8.5 | 33.4 ± 11.1 | 34.1 ± 11.0 | 40.1 ± 7.7 |
| Pplatrs (cmH2O) | 31.5 ± 6 | 29.9 ± 8.4 | 29.8 ± 9.8 | 31.7 ± 11.0 | 36.3 ± 7.3 |
| Driving Pressure (cmH2O) | 21.4 ± 5.8 | 23.1 ± 8.6 | 26.6 ± 11.0 | 30.0 ± 10.9 | 39.0 ± 7.6 |
| Crs (mL/cmH2O) | 1.6 ± 0.8 | 1.4 ± 0.8 | 1.1 ± 0.7 | 0.7 ± 0.6 | 0.5 ± 0.3 |