. 2019 Oct 25;8(11):1790. doi: 10.3390/jcm8111790

Table 1.

Demographic variables and primary reason for referral to follow-up.

Risk Groups	N (%)
BW ≤ 1000 g and/or GA < 28 weeks	188 (46.4)
Boys, n (%)	102 (54.3)
BW, mean (SD), grams	826 (183)
GA, mean (SD), weeks	26.2 (1.7)
BW > 1000 g and GA 28⁰–30⁶ weeks Neonatal arterial ischemic stroke	54 (13.1) 15 (3.6)
Neonatal encephalopathy	57 (13.8)
CHD w/surgery before 10 weeks	41 (10.1)
Others ^a	50 (12.3)

BW, birth weight; GA, gestational age; CHD, congenital heart disease. ^a Others: Infants with significant abnormalities on cerebral imaging (intraventricular hemorrhage grade III–IV, other significant intracranial hemorrhages with or without seizures, cystic periventricular leukomalacia, ventriculomegaly, venous sinus thrombosis; n = 24), central nervous system infection (n = 6), medically complex infants (syndromes/chromosomal abnormalities, multiple congenital anomalies, hydrops fetalis, severe lung hypoplasia, protracted hypoglycemia, seizures with unknown etiology) (n = 16), and severe intrauterine growth restriction (n = 3). One second twin came to follow-up due to referral of the first twin.