Table 2.
Characteristics |
Young Preterm Infants, n
= 25 |
Term-Aged Preterm Infants, n
= 17 |
Term Infants, n
= 35 |
Adult Subjects, n
= 8 |
Sex, n (%) | ||||
Male | 10 (40) | 8 (53) | 11 (69) | 4 (50) |
Female | 15 (60) | 9 (47) | 24 (31) | 4 (50) |
Birth weight, g median (SD) | 800 (342) | 970 (227) | 3330 (500) | Unknown |
Gestational age, wk PMA median (SD) | 26 (2.00) | 27 (1.67) | 39 (1.31) | Term birth |
Age at imaging, wk PMA median (SD) | 33 (1.74) | 40 (1.84) | 39 (1.31) | 26 (5.8 y) |
Race and ethnicity, n (%) | ||||
African American | 14 (56) | 8 (47) | 8 (23) | 0 |
White | 8 (32) | 9 (53) | 16 (46) | 5 (37.5) |
Hispanic | 3 (9) | 0 | 10 (29)* | 0 |
Asian | 0 | 0 | 1 (3) | 3 (62.5) |
The consent was translated into Spanish for part of the term infant study, thus increasing the number of Hispanic subjects in this group.