Table 2.

Basic data of the reported neonates.

Neonates (176)	Summary statistics	Min–max range
Gestational age (weeks)	36.9 (3.4)	26–41
Birth weight (grams)	2782 (799)	900–4500
Birth weight Z-score	0 [−0.8;0.8]	−2.41–2.41
Male sex	63 (62.4%)a	–
Caesarean section	66 (37.5%)	–
5′ Apgar score	9 [8.5;10]	2–10
Postnatal age at the diagnosis (days)	5 [2;15]	0–30
Symptomatic neonates	97 (55.1%)	–

Data are expressed as mean (standard deviation) or median [interquartile range], min–max or number (%), as appropriate.

^aMale sex percentage is referred to 101 neonates, as gender data were missing for the others, despite repeated requests to the authors of the articles.