TABLE 2.
CHARACTERIZATION OF STUDY GROUPS
| Preterm group | Full-term group | ||
|---|---|---|---|
| Demographic and perinatal variables | n = 7 | n = 19 | |
| Gestational age (wk) | mean ± SD | 26 5/7 ± 1.8 | 39 2/7 ± 1.0 |
| Birth weight (g) | mean ± SD | 865 ± 252 | 3165 ± 374 |
| Gender | % male | (4) 57 % | (13) 68.4% |
| Race | % African American | (6) 86% | (12) 63.2% |
| 1 minute APGAR score | median, IQR | 5 (5 - 7) | 8 (8 - 9) |
| 5 minutes APGAR score | median, IQR | 7 (7 - 8) | 9 ( 9 - 9) |
| Delivery method | % cesarean section | (4) 57 % | (7) 36.8 % |
| Clinical choriamnionitis | (5)71 % | (0) 0 % | |
| Pathological chorioamnionitis | (3) 43 % | (0) 0 % | |
| Confirmed infection | (0) 0 % | (0) 0 % | |
| Hematological parameters | |||
| Hematocrit | mean ± SD | 43 ± 6 % | 49 ± 5 % |
| White blood cell count (per mm3) | mean ± SD | 8953 ± 3461 | 14233 ± 4168 |
| Neutrophils | mean ± SD | 52 ± 19 % | 49 ± 13 % |
| Lymphocytes | mean ± SD | 32 ± 17 % | 41 ± 16 % |
| Monocytes | mean ± SD | 9 ± 5 % | 8 ± 0.5 % |
| Platelet count (× 1000 per mm3) | mean ± SD | 165 ± 72 | 265 ± 30 |