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Table 2 Comparison between responders and non-responders

From: Inhaled nitric oxide in persistent pulmonary hypertension of the newborn refractory to high-frequency ventilation

  Responders Non-responders  
  (n = 18) (n = 6) P
Birth weight (g) 3180 ± 190.2 2970 ± 329.4 0.59
Gestational age (weeks) 39 ± 0.58 39 ± 1 0.96
OI pre INO 42.9 ± 5.8 56 ± 10 0.25
OI during INO 11.3 ± 3.5 39 ± 6 0.0007*
a/A pre INO 0.09 ± 0.008 0.071 ± 0.014 0.28
a/A during INO 0.315 ± 0.021 0.137 ± 0.063 0.0003*
  1. OI, oxygenation index; a/A, arterial/alveolar oxygen ratio; INO,inhalational nitric oxide. All values shown as mean ± SEM;*P < 0.05.