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Table 2 Status at randomization

From: Inhaled PGE1 in neonates with hypoxemic respiratory failure: two pilot feasibility randomized clinical trials

  Placebo n = 3 PGE1n = 4
Primary diagnosis (n)   
 Idiopathic 2 0
 Aspiration syndrome 1 4
Age at start of INO (hours) mean, (SD) 26.6 (2.1)a 7.9 (9.4)
Duration of INO before study aerosol (hours) mean, (SD) 8.0 (6.0)a 13.4 (7.2)
Interval between first OI ≥15 and study aerosol (hours) mean, (SD) 4.2 (1.2) 12.2 (5.6)
Interval between first and second qualifying blood gases (hours) mean, (SD) 2.4 (1.2) 4.7 (3.0)
Interval from randomization to study gas initiation (hours) mean, (SD) 1.2 (0.08) 2.3 (0.5)
Age at randomization (hours) mean, (SD) 41.7 (15.4) 19.0 (8.2)
OI on baseline ABG mean, (SD) 26.0 (9.5) 23.8 (17.3)
Therapies prior to randomization (n):   
 Volume support 3 4
 Vasopressor support 3 3
 Sedation or analgesia 3 4
 Neuromuscular blockade 2 3
 Alkalosis 2 1
 Surfactant 3 2
  1. aData missing for one subject. ABG, arterial blood gas; INO, inhaled nitric oxide; OI, oxygenation index.