TABLE 1.

Demographic characteristics of preterm and full-term-born infants

Characteristics	Variable	Preterm (N = 23)	Full-term (N = 18)	P-Value
Birth characteristics	GA, weeks	32.8 (28.1–34.4)	39 (38.2–41.2)	<0.0001
	Weight, kg	2.1 (1.1–2.7)	3.5 (3.3–3.6)	0.0001
	Length, cm	43.3 (37–47.4)	51 (48.3–53.3)	0.0002
	Head circumference, cm	29.9 (25.5–31)	34.5 (33–36)	0.0001
Time of study characteristics	PMA, weeks	42.5-(40.7–44.1)	43.7 (41.1–45.4)	0.1
	Weight, kg	3.7 (3.5–4.6)	4.2 (3.7–4.8)	0.18
	Length, cm	51 (49.7–53.5)	53.9 (51–55.4)	0.21
Feeding characteristics	#PO feeding experience, days	244 (168–497)	14 (8–32)	0.03
	#to first PO feed, days	3 (2–15)	4 (0–5)	0.42

Note: Data presented as median (IQR).