Infant | with spontaneous respiratory effort above set ventilator rate |
 | without evidence of respiratory failure (such as intercostals retractions, poor chest wall movement) and respiratory rate <80 breaths/minute |
 | with apneic or bradycardic events that decreased in severity and frequency following initiation of methylxanthine therapy |
Ventilator rate | ≤20 breaths/minute |
FiO2 requirement | <40% |
Blood gas parameters in the normal range | for arterial blood gas determinations: pH ≥ 7.25 pCO2 <60–64 |
 | for capillary blood gas determinations: pH ≥7.2 pCO2 <70 |
Saturation (SaO2) | consistently >90% |