Table 4.

Demographics and data from the infants’ history

Demographics	Infant’s history a
Gender	Maternal hypertension
Ethnicity	Antenatal steroids
Gestational age (in weeks)	Postnatal acute renal failure
Birth weight (in grams)	Bronchopulmonary dysplasia
Postmenstrual age (in weeks)	Patent ductus arteriosus
Weight (in grams)	Necrotizing enterocolitis
	Sepsisb
	Days with indwelling blood vessel cathetersc

^aComorbidities that constitute potential risk factors for neonatal hypertension [28]

^bDefined as one positive blood culture with a clinical picture suggestive of systemic infection

^cUmbilical arterial catheter (UAC) or umbilical venous catheter (UVC) or peripherally inserted central catheter (PICC) line