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. Author manuscript; available in PMC: 2010 Feb 9.
Published in final edited form as: AJNR Am J Neuroradiol. 2008 Oct 2;30(1):125. doi: 10.3174/ajnr.A1309

Table 2.

Characteristics of the cohort

Preterm Term

n = 189 n = 36
Gestational age at birth (weeks) mean (SD) 27.5 (1.9) 38.9 (1.2)
Gestational age at MRI (weeks) mean (SD) 40 (1.3) 40.3 (1.3)
Birth weight (g) mean (SD) 969 (225) 3277 (524)
Weight at MRI (g) mean (SD) 3005 (551) 3482 (482)
Head circumference at MRI (cm) mean (SD) 2 missing 34.9 (2.1) 36 (1.4)
Male n (%) 97 (51) 19 (53)
Multiple birth n infants (%) 80 (42) 2 (5.6)
Intra Uterine Growth Restriction n (%) 21 (11) 1 (3)
White matter injury n (%)
 No 71 (37.6) 0
 Mild 84 (44.4) 0
 Moderate 27 (14.3) 0
 Severe 7 (3.7) 0
Intraventricular hemorrhage grade 3 or 4 n (%) 7 (3.7) 0