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Table 3 Oxygenation indices and mechanical ventilation parameters on days 1, 3, 7, and 14

From: Relative cost and outcomes in the intensive care unit of acute lung injury (ALI) due to pandemic influenza compared with other etiologies: a single-center study

  Day 1 of mechanical ventilation Day 3 of mechanical ventilation Day 7 of mechanical ventilation Day 14 of mechanical ventilation
  Influenza (n = 23 ) Non influenza (n = 22 ) Influenza (n = 23 ) Non influenza (n = 21 ) Influenza (n = 21 ) Non influenza (n = 17 ) Influenza (n = 11) Non influenza (n = 13)
PaO2/FiO2 150 ± 107 156 ± 95 181 ± 82 206 ± 80.2 185 ± 96 230 ± 118 148 ± 69 251 ± 146
PPlat (cm H2O) 37 ± 8 25 ± 6a 34 ± 7 24 ± 7a 31 ± 10 25 ± 9 38 ± 9 24 ± 4a
PEEP (cm H2O) 16 ± 6 9.3 ± 6a 15 ± 7 9.2 ± 6a 13 ± 6.4 9.5 ± 6.4 14 ± 7.4 8 ± 4.3a
Vt (mL/kg) 7.7 ± 1.4 7.4 ± 1.1 8.5 ± 2 7.6 ± 1 8 ± 2 8 ± 2.6 7.7 ± 1.8 8 ± 1.8
  1. a p < 0.05 with t test.