Table 1:
The baseline characteristics and outcomes of the study cohort. A total number of 55 preterm infants are shown in the table.
| Study Cohort (n = 55) a | ||
|---|---|---|
| Infants Baseline Characteristics | ||
| Gestational age – n (%) | ||
| 23 – 27 weeks | 10 (18) | |
| 28 – 32 weeks | 28 (51) | |
| 33 – 36 weeks | 17 (31) | |
| Birth weight (g) – mean ± standard deviation | 1643 ± 635 | |
| Female – n (%) | 24 (44) | |
| Exposure to antenatal steroids – n (%) | 41 (75) | |
| Delivered via Cesarean Section – n (%) | 47 (85) | |
| APGAR <7 at 1 minute – no.(%) | 18 (33) | |
| Pregnancy – n (%) | ||
| Singleton Multiparity |
31 (56) 24 (44) |
|
| Race or ethnic groups, n (%) | ||
| White Black Hispanic Others |
20 (36) 17 (31) 17 (31) 1 (2) |
|
| Hypertensive disorders of pregnancy, n (%) | 20 (36) | |
| Chorioamnionitis, n (%) | 5 (9) | |
| Infants Outcomes | ||
| Bronchopulmonary dysplasia, n (%) | 10 (18) | |
| Duration of respiratory support (days) – mean ± standard deviation | 27 (42) | |
| Patent ductus arteriosus treatment, n (%) | 6 (11) | |
| Necrotizing enterocolitis, n (%) | 4 (7) | |
| Sepsis, n (%) | 6 (11) | |
| Retinopathy of prematurity, n (%) | 11 (20) | |
| Intraventricular hemorrhage, n (%) | 9 (16) | |
| Mortality, n (%) | 1 (2) | |
| Length of stay (days) – mean ± standard deviation | 52 ± 45 | |
a
Two subjects out of the enrolled 57 were excluded, due to inability to retrieve scavenged specimens.