Table 2.

Therapies Before Randomization

ControlTreatment Group (INO)
NN
Neuromuscular blockade
 ≤6 h of randomization2826  (92.9)2522  (88.0)
 >6 h before randomization2216  (72.7)1813  (72.2)
 any time before randomization2826  (92.9)2522  (88.0)
Vasopressor support
 ≤6 h of randomization2823  (82.1)2522  (88.0)
 >6 h before randomization2215  (68.2)1812  (66.7)
 any time before randomization2824  (85.7)2523  (92.0)
Surfactant
 ≤6 h of randomization2818  (64.3)2520  (80.0)
 >6 h before randomization238  (34.8)194  (21.1)
 any time before randomization2722  (81.5)2521  (84.0)
HFOV
 ≤6 h of randomization2817  (60.7)2517  (68.0)
 >6 h before randomization226  (27.3)172  (11.8)
 any time before randomization2817  (60.7)2517  (68.0)
Alkalosis
 ≤6 h of randomization2816  (57.1)2517  (68.0)
 >6 h before randomization229  (40.9)187  (38.9)
 any time before randomization2819  (67.9)2518  (72.0)
Tolazoline
 ≤6 h of randomization282  (7.1)253  (12.0)
 >6 h before randomization222  (9.1)181  (5.6)
 any time before randomization273  (11.1)253  (12.0)
Post-natal steroids
 ≤6 h of randomization281  (3.6)251  (4.0)
 >6 h before randomization221  (4.5)180  (0.0)
 any time before randomization272  (7.4)251  (4.0)
  • Data expressed as n (%) unless otherwise indicated.