Table 2.

Clinical, Biochemical and Laboratory Characteristics at Time of Study Entry

CharacteristicsPlacebo (n = 130)Dexamethasone (n = 132)
Age of study (h)7.0  ± 5.3*7.4  ± 5.2
Fluids intake (mL/kg/d)79  ± 2082  ± 30
IMV
 Rate/min32  ± 735  ± 10
 Peak inspiratory pressure/  positive end expiratory  pressure (cm H2O)19 ± 4/4 ± 118 ± 3/4 ± 1
 Mean airway pressure  (cm H2O)9.1  ± 5.18.9  ± 3.2
 Fio20.6  ± 0.20.6  ± 0.3
 Po2 (mm Hg)110  ± 8696  ± 82
 Pco2 (mm Hg)44  ± 1644  ± 13
 pH7.29  ± 0.077.30  ± 0.08
 Base deficit (meq/L)5.9  ± 5.15.8  ± 5.2
Blood pressure
 Systolic (mm Hg)49  ± 1250  ± 14
 Diastolic (mm Hg)29  ± 829  ± 11
Hematocrit (%)44  ± 7.345  ± 7.2
  • * Mean ± SD. Peak inspiratory pressure/positive and expiratory pressure