Table 3

Comparison between set and measured ventilatory parameters

Set valuesMeasured values
Positive end-expiratory pressure (mm Hg)Mean pressure (mm Hg)Respiratory rate (/min)Minute volume (l/min)Respiratory rate (/min)Minute volume (l/min)p Value, respiratory ratep Value, minute volume
Assist-control ventilation (including volume and pressure-control settings)
Volume911 (45%)5.9±1.710.2±2.612.6±2.36.1±1.516.7±4.38.6±2.6p<0.001p<0.001
Pressure869 (43%)5.8±1.311.0±2.112.9±3.219.3±7.011.1±4.7p<0.001
Continuous positive airway pressure117 (6%)5.3±0.87.5±0.923.7±3.710.0±2.9
Synchronised intermittent mandatory ventilation101 (5%)58.4±0.518.1±5.99.2±2.8