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Table 2 Baseline oxygenation and respiratory parameters

From: Association between inhaled nitric oxide treatment and long-term pulmonary function in survivors of acute respiratory distress syndrome

Parameter Statistics Placebo Inhaled NO P Value
PaO2, mm Hg N 41 50  
  Mean ± SD 84.8 ± 21.4 90.6 ± 19.1  
  Median 81 86 0.068
PaCO2, mm Hg N 41 50  
  Mean ± SD 39.9 ± 7.7 40.8 ± 8.4  
  Median 41 39 0.728
SpO2,% N 41 50  
  Mean ± SD 95.1 ± 2.6 96.5 ± 2.6  
  Median 96 97 0.012
FiO2 N 41 50  
  Mean ± SD 0.65 ± 0.13 0.68 ± 0.16  
  Median 1 1 0.517
PEEP, cm H2O N 41 51  
  Mean ± SD 9.5 ± 1.7 9.8 ± 2.5  
  Median 10 10 0.748
PaO2/FiO2 ratio N 41 50  
  Mean ± SD 136.1 ± 40.4 140.5 ± 43.4  
  Median 132 130 0.774
Ventilator rate, breaths/min N 41 50  
  Mean ± SD 14.6 ± 4.4 13.1 ± 4.2 0.069
Tidal volume, mL/kg N 39 49  
  Mean ± SD 9.1 ± 1.7 10.3 ± 2.5 0.548
Mean airway pressure, cm H2O N 37 46  
  Mean ± SD 18.3 ± 7.1 16.9 ± 5.2 0.488
  1. FiO2, fraction of inspired oxygen; N, number; NO, nitric oxide; PaCO2, arterial pressure of CO2; PaO2, partial pressure of arterial oxygen; PEEP, positive-end expiratory pressure; SpO2, pulse oximetric oxygen saturation.