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Table 1 Respiratory variables used to calculate driving power, dynamic power, and total power at each PEEP level, at the end of the experiment

From: Elastic power but not driving power is the key promoter of ventilator-induced lung injury in experimental acute respiratory distress syndrome

VariablesPEEP (cmH2O)
35.57.59.511
VT(ml)2.2 ± 0.22.2 ± 0.02.1 ± 0.12.0 ± 0.12.2 ± 0.3
RR (bpm)75 ± 874 ± 275 ± 581 ± 475 ± 9
Ppeak (cmH2O)12.2 ± 1.815.1 ± 0.717.4 ± 1.2*22.3 ± 2.4*#&30.1 ± 4.3*#&**
Pplat (cmH2O)9.7 ± 1.412.9 ± 0.6*15.1 ± 0.8*#18.3 ± 2.5*#&24.2 ± 3.1*#&**
ΔP (cmH2O)8.4 ± 1.48.8 ± 0.69.5 ± 0.410.5 ± 2.314.7 ± 2.9*#&**
  1. Values are means + SD of 6 animals/group
  2. One-way ANOVA followed by the Bonferroni post hoc test was performed
  3. VT tidal volume, RR respiratory rate, Ppeak respiratory system peak pressure, Pplat respiratory system end-inspiratory (plateau) pressure, ΔP driving pressure, PEEP positive end-expiratory pressure
  4. *Significantly different from PEEP 3 (p < 0.05)
  5. #Significantly different from PEEP 5.5 (p < 0.05)
  6. &Significantly different from PEEP 7.5 (p < 0.05)
  7. **Significantly different from PEEP 9.5 (p < 0.05)