Table 1: Main Characteristics of the Studied Population ( ).

Birth weight (g)
Gestational age (weeks)
CRIB
SNAPPE
Mechanical ventilation61.9%
Persistence of Ductus Arteriosus55.5%
Use of Dopamine34.5%
Use of Dobutamine37%
Early sepsis23.5%
Deaths6.7%

VPP = Ventilation with positive pressure.