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Table 4 Ventilatory parameters according to IAH definition

From: Effect of mechanical ventilation on intra-abdominal pressure in critically ill patients without other risk factors for abdominal hypertension: an observational multicenter epidemiological study

Parameter Total IAH Non-IAH p valuea
RR (breath/min) 17.6 ± 4.6 18.7 ± 3.2 17.4 ± 4.7 0.402
Vmin (l/min) 9.4 ± 2.8 10.1 ± 2.0 9.3 ± 2.8 0.243
Vt (ml/kg) 8.2 ± 2.3 8.2 ± 3.3 8.2 ± 2.2 0.540
Ppeak (cmH2O) 24.1 ± 11.7 20.7 ± 10.0 24.5 ± 12.0 0.370
Pplateau (cmH2O) 13.1 ± 8.8 12.5 ± 8.3 13.2 ± 8.9 0.858
PEEP (cmH2O) 2.1 ± 2.5 3.7 ± 2.5 1.9 ± 2.4 0.080
SC (ml/cmH2O) 79.4 ± 73.7 110.4 ± 84.6 75.1 ± 53.1 0.325
DC (ml/cmH2O) 32 ± 21.6 41.3 ± 24.4 30.7 ± 21.2 0.282
  1. aMann-Whitney U test. IAH, intra-abdominal hypertension; RR, respiratory rate; Vmin, minute volume; Vt, tidal volume; Ppeak, peak pressure; Pplateau, plateau pressure; PEEP, positive end-expiratory pressure; SC, static compliance; DC, dynamic compliance.