PEEP 0I | PEEP 3I | PEEP 6I | PEEP 9I | PEEP 12I | PEEP 15I | p-value | |
---|---|---|---|---|---|---|---|
Sampled PEEP (cmH2O) | 1.21 | 3.86 | 6.62 | 9.12 | 11.97 | 14.93 | |
SD | 0.72 | 0.97 | 0.67 | 0.46 | 0.19 | 0.24 | |
Breathing rate | 84 | 76 | 63 | 47 | 34 | 31 | < 0.01 |
SD | 19 | 17 | 15 | 12 | 14 | 17 | |
Tidal volume (L) | 0.120 | 0.141 | 0.185 | 0.209 | 0.273 | 0.278 | < 0.01 |
SD | 0.059 | 0.069 | 0.089 | 0.090 | 0.092 | 0.101 | |
SER | 33% | 30% | 26% | 18% | 12% | 10% | < 0.01 |
SD | 17% | 19% | 17% | 16% | 14% | 12% | |
ΔPesmax (cmH2O) | − 4.2 | − 3.9 | − 3.4 | − 2.3 | − 2.3 | − 1.9 | < 0.01 |
SD | 3.1 | 2.5 | 2.1 | 1.5 | 2.0 | 1.5 | |
ΔPL (cmH2O) | 10.2 | 10.3 | 11.2 | 9.7 | 13.5 | 12.0 | < 0.01 |
SD | 5.2 | 4.5 | 4.7 | 3.3 | 10.2 | 7.3 | |
EDR (cmH2O/µV) | − 1.12 | − 0.99 | − 0.82 | − 0.57 | − 0.34 | − 0.24 | < 0.01 |
SD | 1.05 | 0.88 | 0.74 | 0.56 | 0.39 | 0.20 | |
Min Edi (µV) | 0.90 | 0.84 | 0.61 | 0.33 | 0.29 | 0.26 | < 0.01 |
SD | 0.71 | 0.56 | 0.43 | 0.17 | 0.11 | 0.13 | |
Max Edi (µV) | 5.85 | 5.98 | 6.41 | 6.08 | 8.94 | 8.29 | 0.011 |
SD | 3.37 | 3.41 | 3.32 | 3.18 | 6.31 | 5.15 | |
ΔEdi (µV) | 4.95 | 5.14 | 5.81 | 5.75 | 8.64 | 8.25 | < 0.01 |
SD | 2.89 | 3.06 | 3.08 | 3.07 | 6.29 | 5.04 |