Table 2.
Neonatal Characteristics of Infants With Seizures at Any Time (n = 127) Versus Infants With No Seizures (n = 81)
| Neonatal characteristics | Seizures (n = 127) | No seizures (n = 81) | Total (N = 208) |
|---|---|---|---|
| Outborn, n (%)* | 69 (54) | 24 (30) | 93 (45) |
| Male gender, n (%) | 73 (57) | 44 (54) | 117 (56) |
| Apgar scores ≤ 5, n (%) | |||
| At 5 mina | 119 (94) (n = 126) | 70 (86) | 189 (91) (n = 207) |
| At 10 min*a | 104 (87) (n = 119) | 50 (69) (n = 72) | 154 (81) (n = 191) |
| Birth weight, g, mean ± SD | 3340 ± 595 | 3435 ± 681 | 3377 ± 630 |
| Gestational age, wks, mean ± SD | 38.9 ± 1.6 | 38.9 ± 1.7 | 38.9 ± 1.6 |
| Length, cm, mean ± SDa | 50.9 ± 3.1 (n = 119) | 50.7 ± 3.2 (n = 79) | 50.8 ± 3.1 (n = 198) |
| Head circumference, cm, mean ± SDa | 34.2 ± 1.8 (n = 121) | 34.1 ± 2.0 (n = 79) | 34.1 ± 1.9 (n = 200) |
| Intubation in delivery room | 122 (96) | 73 (90) | 195 (94) |
| Continued resuscitation at 10 min* | 123 (97) | 72 (89) | 195 (94) |
| Time to spontaneous respiration ≥ 10 min† | 94 (78) (n = 120) | 46 (60) (n = 77) | 140 (71) (n = 197) |
| Cord blood | |||
| pH, mean ± SD*† | 6.8 ± 0.2 (n = 80) | 6.9 ± 0.2 (n = 65) | 6.9 ± 0.2 (n = 145) |
| Base deficit, mean ± SD*a | 20.6 ± 7.5 (n = 67) | 17.5 ± 7.7 (n = 57) | 19.2 ± 7.7 (n = 124) |
| Moderate encephalopathy*a | 70 (56) (n = 126) | 64 (79) | 134 (65) (n = 207) |
| Severe encephalopathy*a | 56 (44) (n = 126) | 17 (21) | 73 (35) (n = 207) |
| Anticonvulsants*a | 74 (61) (n = 122) | 9 (13) (n = 67) | 83 (44) (n = 189) |
*
Significant at P < .05 (Fisher exact test for categorical variables, t test for continuous variables).
a
Numbers are reported in parentheses where data are incomplete.