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Tabla 2: Valores de mechanical power, driving pressure y dynamic power tras la categorización por subgrupos. |
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Grupo 1 (G1) No hipoxemia, no obesidad (N = 72) Mediana* |
Grupo 2 (G2) Hipoxemia (N = 133) Mediana* |
Grupo 3 (G3) Obesidad (N = 12) Mediana* |
Grupo 4 (G4) Hipoxemia y obesidad (N = 36) Mediana* |
p |
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G1 vs G2 |
G1 vs G3 |
G1 vs G4 |
G2 vs G3 |
G2 vs G4 |
G3 vs G4 |
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Mechanical power (J/min) |
19.45 [16.93-21.95] |
19.85 [16.62-21.82] |
20.27 [18.15-21.60) |
20.96 [18.29-22.84] |
0.52 |
0.47 |
0.08 |
0.75 |
0.20 |
0.66 |
|
Driving power (cmH2O × L/min) |
46.86 [34.93-54.57] |
45.26 [32.40-57.40] |
49.27 [35.28-63.25] |
49.91 [38.99-57.67] |
0.54 |
0.68 |
0.41 |
0.47 |
0.17 |
0.92 |
|
Dynamic power (cmH2O × L/min) |
131.36 [114.80-152.80] |
134.57 [114.92-149.9] |
153.13 [129.75-185.95] |
149.43 [122.10-167.12] |
0.50 |
0.01 |
< 0.01 |
< 0.01 |
0.01 |
0.76 |
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* Los datos se presentan como mediana y [percentil 25-75]. 1 cmH2O × L/min = 0.098 J/min. Mechanical power: 0.098 FR Vt (Ppico-½ ΔPaw). Driving power: Vt × f × [(Pplateau − PEEP)/2]. Dynamic power: Vt × f × [(Pplateau + PEEP)/2]. |
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