Table 2.

Eligibility criteria in Canadian neonatal follow-up programs

Criteria		2006	2017
Gestational Age Criteria:		47%	91%
(upper threshold):	<29 to ≤33 weeks	26%a	65%a
	<28 weeks	16%	22%
	<25 weeks	5%	4%
Birth Weight Criteria		84%	91%
(upper threshold):	<2,000 g	0%	0%
	<1,500 g	47%	43%
	<1,250 g	26%	35%
	<800 g or <1,000 g	10%	13%
Neurologic Criteria:
Intraventricular hemorrhage		63%	83%
Periventricular leukomalacia		42%	83%
Hypoxic ischemic encephalopathy		63%	91%
Seizures		32%	56%
Hyperbilirubinemia		21%	65%
Stroke		5%b	87%b
Cardio-Respiratory Criteria
Bronchopulmonary dysplasia		32%	56%
Persistent pulmonary hypertension newborn		16%	30%
Congenital diaphragmatic hernia		21%c	65%c
Congenital heart disease		5%	39%
Shock		5%	22%
ECMO		10%	52%
Other Criteria:
Small for Gestational Age		32%	39%
Maternal Substance Use		26%	17%
Antenatally Diagnosed Conditions & Therapies		5%d	52%d

ECMO Extracorporeal membrane oxygenation.

^aP=0.01, ^bP<0.00001, ^cP=0.004, ^dP=0.001.