Table 1.
Birth cohort characteristics
| Characteristic | Infants without cranial imaging (n =141) | Infants with cranial imaging
|
|
|---|---|---|---|
| Infants without IPH (n =885) | Infants with IPH (n =141) | ||
| Gestational age, wk, range (median) | 20–29 (23) | 21–34 (25) | 21–33 (24) |
| Birth weight, g, range, (median) | 310–1140 (560) | 410–1120 (755) | 445–982 (670) |
| Outborn (n, %) | 18 (13) | 172 (19) | 67 (48) |
| Female (n, %) | 69 (49) | 413 (47) | 88 (63) |
| Multiple gestation (n, %) | 36 (26) | 187 (21) | 38 (27) |
| Race (n, %) | |||
| Black | 58 (41) | 405 (46) | 61 (43) |
| White | 42 (30) | 234 (26) | 38 (27) |
| Hispanic | 34 (24) | 222 (25) | 34 (24) |
| Other | 3 (2) | 20 (2) | 8 (6) |
| Antenatal steroids (n, %) | 49 (35) | 643 (73) | 69 (49) |
Abbreviations: IPH, intraparenchymal hemorrhage; wk, week.