TABLE 1.
Patient Characteristics
| Characteristic | Unilateral PVHI (n = 52) |
Bilateral PVHI (n = 17) |
P |
|---|---|---|---|
| Referral center, % (n) | .100a | ||
| A | 38 (20) | 47 (8) | |
| B | 54 (28) | 29 (5) | |
| C | 8 (4) | 24 (4) | |
| Race, % (n) | .600a | ||
| White | 45 (23) | 29 (5) | |
| Black | 41 (21) | 53 (9) | |
| Hispanic | 12 (6) | 12 (2) | |
| Other | 2 (1) | 6 (1) | |
| Maternal age, mean (SD), yr | 28.2 (6.8) | 27.9 (6.8) | .800b |
| Cesarean delivery, % (n) | 56 (29) | 65 (11) | .500a |
| Chorioamnionitis, % (n) | 27 (14) | 29 (5) | .800a |
| Abruption at birth, % (n) | 17 (9) | 12 (2) | .600a |
| Antenatal steroids given, % (n) | 60 (31) | 53 (9) | .600a |
| Born at level 1 or 2 hospital, % (n) | 29 (15) | 29 (5) | .999a |
| Gestational age, mean (SD), wk | 25.9 (1.6) | 24.6 (1.3) | .005b |
| Birth weight, mean (SD), g | 858 (215) | 743 (200) | .060b |
| Head circumference, mean (SD), cm | 24.0 (2.1) | 23.0 (2.9) | .070b |
| Female, % (n) | 38 (20) | 35 (6) | .800a |
| Apgar at 5 min, median (IQR) | 6 (4–7) | 5 (4–7) | .300b |
| Vasopressor use, % (n) | 70 (35) | 65 (11) | .700a |
| Hydrocortisone use % (n) | 37 (19) | 24 (4) | .300a |
a
Pearson test.
b
Wilcoxon test.