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Table 1 Physiological variables during the two modes of mechanical ventilation, pressure-regulated pressure control (PRVC) and volumne control (VC)

From: A comparison of volume control and pressure-regulated volume control ventilation in acute respiratory failure

 

PRVC (n = 44)

VC (n = 44)

P

PIP (cmH2O)

20 (19-23)

24 (23-27)

< 0.0001

MAIP (cmH2O)

10 (9-11)

10 (9-11)

ns

PaO2 (mmHg)

98 (93-111)

96 (92-108)

ns

PaCO2 (mmHg)

43 (40-46)

43 (40-46)

ns

pH

7.38 (7.11-7.65)

7.38 (7.10-7.65)

ns

MAP (mmHg)

76 (73-83)

77 (74-84)

ns

  1. Values are means (95% confidence limits). PIP = peak inspiratory pressure; MAIP = mean airway pressure; PaO2 = partial pressure of arterial oxygen; PaCO2 = partial pressure of arterial carbon oxide; MAP = mean arterial blood pressure.