2.5. Data Collection
NEC, Patent ductus arteriosus, Bell’s stage 2 or higher., Enterocolitis, infection, sepsis
BRONCHOPULMONARY DYSPLASIA (BPD), ENTEROCOLITIS, INFECTION, SEPSIS, INTRAVENTRICULAR HEMORRHAGE, RETINOPATHY OF PREMATURITY, RETINOPATHY OF PREMATURITY
The following parameters were recorded in all infants during hospitalization:CRIB II score (Clinical Risk Index for Babies), a validated measure of initial mortality risk and illness severity within the first hour of admission [Anthropometric characteristics (body weight and length, head circumference) at birth, at the end of donor milk period and at discharge. The anthropometric characteristics were recorded as both absolute values and z-scores; z-scores were documented according to the revised Fenton growth charts using the PediTools [Total protein and energy intake through parenteral nutrition, MOM, DM and fortification.Neonatal/Infant Morbidity. In particular: Culture-positive sepsis (clinical signs of infection plus positive blood, urine or cerebrospinal fluid culture).Necrotizing Enterocolitis (NEC) if fulfilling criteria compatible with Bell’s stage 2 or higher.Bronchopulmonary dysplasia (BPD) defined as need for supplemental oxygen for more than 28 days.Retinopathy of prematurity (ROP)—if fulfilling criteria compatible with Stage 3 according to international classification of retinopathy of prematurity (2005) [Intraventricular hemorrhage (IVH)—any degree.Patent ductus arteriosus (PDA) (presence of clinical signs plus ductal left to right shunt in echocardiography).