Table 1.

Participant characteristics

	VPT (n=18)
Gestation at birth, mean (SD), weeks	26.6 (1.4)
Birth weight, mean (SD), grams	966 (214)
SGA, n (%)	2 (11)
PMA at term equivalent MRI*, mean (SD), weeks	37.9 (1.5)
Weight at term equivalent scan, mean (SD), grams	2562 (288)
Female, n (%)	7 (39)
Antenatal steroids, n (%)	14 (78)
Oxygen at 36 weeks, n (%)	6 (39)
Postnatal dexamethasone, n (%)	1 (6)
Treated PDA†, n (%)	5 (28)
Necrotizing enterocolitis, n (%)	2 (11)
Culture-positive sepsis, n (%)	4 (22)
Brain injury‡, n (%)	2 (11)

VPT=very preterm; SGA=small for gestational age; PMA=Postmenstrual age; PDA = patent ductus arteriosus

^*n=15 infants with term equivalent tissue volumes

^†Medical or surgical

^‡1 infant with Grade II intraventricular hemorrhage, 1 infant with Grade 3 non-cystic periventricular leukomalacia (Kidokoro et al 2014)