HR= heart rate. IQR= interquartile range. PICU= Pediatric Intensive Care
Unit. RR= respiratory rate. a Episode of apnea prior
to admission. b Bronchopulmonary dysplasia.c Persistent arterial duct, patent foramen ovale,
interatrial communication. d Wood D, Downes J, Lecks
H. A clinical scoring system for the diagnosis of respiratory failure.
Am J Dis Child. 1972;123: 227-8.
Table 2. Virus isolation. Pneumovir ® results.