Table 1 Sample characteristics and relationships to aEEG total Burdjalov score.
From: aEEG in the first 3 days after extremely preterm delivery relates to neurodevelopmental outcomes
Categorical variables (n = 64) | n | Percentage | p-valuea |
|---|---|---|---|
Maternal factors | |||
Maternal marital status, married | 27 | 42% | 0.02 |
Maternal prenatal smoking | 13 | 20% | 0.29 |
Maternal prenatal use of alcohol | 0 | 0% | b |
Maternal prenatal illicit drug use | 4 | 6% | 0.50 |
Maternal education, Some college (n = 62) | 28 | 45% | 0.34 |
Prenatal steroids | 48 | 75% | 0.41 |
Delivery, Cesarean | 37 | 58% | 0.04 |
Prenatal magnesium | 37 | 58% | 0.29 |
Prenatal Indomethacin | 0 | 0% | b |
Maternal spinal anesthesia | 36 | 56% | 0.49 |
Maternal general anesthesia | 13 | 20% | 0.61 |
No spinal or general anesthesia | 15 | 23% | 0.59 |
Labor antibiotics | 30 | 47% | 0.41 |
Infant factors | |||
Race (African-American/Black) | 34 | 53% | <0.01 |
Insurance type, public (n = 46) | 28 | 61% | 0.66 |
Infant sex, female | 25 | 39% | 0.84 |
Cerebral injury (IVH grade III or IV or cystic PVL) | 25 | 39% | 0.04 |
PDA (n = 63) | 44 | 70% | 0.90 |
NEC (n = 61) | 12 | 20% | 0.32 |
ROP (n = 61) | 13 | 21% | 0.55 |
Expired | 9 | 14% | 0.69 |
Environment | |||
NICU room type, single patient room | 30 | 47% | 0.61 |
Concurrent endotracheal intubation | 45 | 70% | 0.56 |
Concurrent use of sedatives | 24 | 38% | 0.34 |
Continuous variables | Mean or median | Standard deviation or interquartile range | p-valuea |
|---|---|---|---|
Maternal factors | |||
Maternal age, yrs | 26.9 | 5.6 | 0.31 |
Number of prenatal visits (n = 63) | 4.1 | 2.3 | 0.46 |
Infant factors | |||
*EGA, wks | 25.5 | 1.35 | 0.02 |
Birth weight, grams | 830.6 | 191.8 | 0.17 |
Occipital-frontal circumference at birth, cm | 23.2 | 1.7 | 0.81 |
Apgar, 1 min | 3.5 | 2.3 | 0.84 |
Apgar, 5 min | 5.8 | 1.8 | 0.59 |
CRIB II score | 11 | (10–13) | 0.29 |
Cord gases (n = 40) | 7.32 | 0.08 | 0.63 |
Number of days on TPN, days | 18 | (11.25–33) | 0.89 |
Number of days on HFOV, days | 0 | (0–5) | 0.34 |
Number of days with endotracheal intubation, days | 9 | (1–34) | 0.056 |
Number of days on CPAP, days | 13 | (4–35) | 0.23 |
Number of days on nasal cannula, days | 19 | (7.5–30) | 0.92 |
Total oxygen hours, hrs | 2256 | (1380–2760) | 0.85 |
Total number of days on breast milk, days | 40 | (26–74) | 0.91 |
Length of stay, days | 104 | (76–126.5) | 0.97 |
