Table 1.
Maternal and Neonatal Demographics, Clinical, and Safety Variables
| Characteristic | Initial Cohort | 18 Month Cohort | ||
|---|---|---|---|---|
|
| ||||
| DCC (n =103) | ICC (n =105) | DCC (n=82) | ICC (n=79) | |
|
| ||||
| Mother’s age (yrs) | 28 ± 7 | 29 ± 6.5 | 29 ± 7 | 30 ± 6 |
|
| ||||
| Race / Ethnicity | ||||
| Black | 20 (20) | 13 (12) | 16 (20) | 7 (9) |
| White | 56 (55) | 69 (66) | 44 (54) | 56 (71) |
| Other | 26 (25) | 23 (22) | 21 (26) | 16 (20) |
|
| ||||
| Maternal Education- ≤ high school | --- | --- | 37 (47) | 24 (33) |
|
| ||||
| PROM (hrs) | 98 ± 190* | 72 ± 190 | 112 ± 209* | 80 ± 212 |
|
| ||||
| Reasons for preterm birth | ||||
| Preeclampsiaa | 23 (22)* | 39 (37) | 19 (23) | 29 (37) |
| PROM/Preterm labora | 77 (75)** | 57 (54) | 60 (73)** | 42 (53) |
| Clinical Chorioamnionitis | 23 (22)** | 10 (9.5) | 18 (22)* | 6 (8) |
|
| ||||
| Gestational age, wks | 28.3 ± 2 | 28.4 ± 2 | 28.1 ± 2 | 28.2 ± 2 |
| 24 to 276 wks | 35 | 36 | 31 | 28 |
| 28 to 316 wks | 68 | 69 | 51 | 51 |
|
| ||||
| Cord Clamp Time (seconds) Range, median | 32 ± 16*** (0–60) | 6.6 ± 6 (1–45) | 31 ± 6*** (0–60) | 6.6 ± 5.2 (0–36) |
|
| ||||
| Birth weight, g | 1203 ± 352 (430–1955) | 1136 ± 350 (390–2455) | 1178 ± 341 (480–1885) | 1101 ± 354 (390–2455) |
| Male/female ratio | 52/51 | 62/43 | 42/40 | 47/32 |
|
| ||||
| Apgar score, median (range) | ||||
| 1 min | 6 (1–9) | 6 (1–9) | 6 (1–9) | 6 (1–9) |
| 5 min | 8 (2–9) | 8 (1–10) | 8 (2–9) | 8 (1–10) |
| <4 at 1 min, | 16 (16) | 20 (19) | 13 (16) | 14 (18) |
| Cord Blood Gas, Arterial | 7.4 ± 0.1* | 7.3 ± 0.1 | 7.3 ± 0.1 | 7.3 ± 0.1 |
|
| ||||
| NICU Admission Temperature CO (Range) | 36.5 ± 0.8 (32–38) | 36.3 ± 0.8 (33–39) | 36.6 ± 0.8* (34–38) | 36.3 ± 0.9 (33–38) |
|
| ||||
| Initial Hematocrit (%) | 47.6 ± 7 (31–63) | 46.4 ± 7 (32–59) | 47.2 ± 7 (31–63) | 46.2 ± 7 (32–59) |
|
| ||||
| 1st Mean Blood Pressure | 35 ± 8 | 35 ± 8 | 35± 8 | 34± 8 |
|
| ||||
| Peak bilirubin (mg/dl), First week, Range | 8 ± 2 (5–16) | 8 ± 2 (4–14) | 8 ± 2 (5 –16) | 7.7 ± 2 (4–14) |
Mean ± SD or n (%);
*
p<0.05;
**
p<0.01;
***
p<0.001.
a
Only PEC and PROM/PTL are mutually exclusive categories.