Table I.
Maternal and perinatal characteristics
| Characteristic* | Group (n, %) | |
|---|---|---|
| Seizures (N=414) |
No Seizures (N=6085) |
|
| Maternal | ||
| Maternal education < high school | 124 (35) | 1610 (29) |
| Antenatal steroids | 348 (84) | 5238 (86) |
| Antepartum antibiotics# | 307 (75) | 4088 (67) |
| Rupture of membranes > 24 hours | 100 (25) | 1407 (23) |
| Antepartum hemorrhage | 74 (18) | 1024 (17) |
| Multiple births | 104 (25) | 1394 (23) |
| Cesarean delivery# | 248 (60) | 4109 (68) |
| Perinatal | ||
| Male# | 250 (60) | 2859 (47) |
| Gestational age, weeks# | ||
| ≤ 23 | 48 (12) | 260 (4) |
| 24–25 | 209 (50) | 2063 (34) |
| 26–27 | 121 (29) | 2324 (38) |
| 28–29 | 28 (7) | 1021 (17) |
| ≥ 30 | 8 (2) | 416 (7) |
| Birth weight, grams (mean ± SD) † | 725 ± 140 | 789 ± 138 |
| Small for gestational age# | 51 (12) | 1133 (19) |
| Race# | ||
| White | 184 (45) | 3215 (53) |
| Black | 224 (54) | 2602 (43) |
| Other | 5 (1) | 264 (4) |
| 5-minute Apgar ≤ 4# | 99 (24) | 684 (11) |
| Intubation in delivery room# | 334 (81) | 4402 (72) |
| CPR or epinephrine in delivery room# | 54 (13) | 514 (8) |
*
Missing data (total number of subjects): maternal education (559), antenatal steroids (10), antepartum antibiotics (13), ROM > 24 hours (84), antepartum hemorrhage (4), cesarean delivery (6), gestational age (1), SGA (1), race (5), 5-minute Apgar (11), delivery room intubation (1), CPR/drugs in delivery room (4)
#
P < 0.01 based on χ2 test
†
P < 0.01 based on Student’s t-test