Table 1.
Characteristics of preterm infants in this study1.
| Variables | Early caffeine (1-2 DOL) |
Late caffeine (3–7 DOL) |
Very late caffeine (≥8 DOL) |
p value |
|---|---|---|---|---|
| N | 85 | 46 | 19 | |
| Gestational age, wk | 26.34 ± 1.84 | 26.41 ± 1.80 | 25.94 ± 2.01 | p = 0.15 |
| Birth weight, g | 891.78 ± 227.50 | 909.13 ± 243.92 | 835.61 ± 188.70 | p = 0.1 |
| Sex (female/male) | 38/47 | 28/18 | 9/10 | p = 0.27 |
| (44.7%, 55.3%) | (60.9%, 39.1%) | (47.4%, 52.6%) | ||
| Birth history (multiple birth) | 14 (16.5%) | 8 (17.4%) | 1 (5.3%) | p = 0.48 |
| Vaginal delivery | 46 (54.1%) | 16 (34.8%) | 8 (42.1%) | p = 0.41 |
| Chorioamnionitis | 11 (12.9%) | 8 (17.4%) | 1 (5.3%) | p = 0.86 |
| Apgar, 1 min | 5.41 ± 2.26 | 5.61 ± 2.10 | 5.11 ± 2.13 | p = 0.58 |
| Apgar, 5 min | 7.29 ± 1.45 | 7.31 ± 1.58 | 7.42 ± 1.17 | p = 1.0 |
| Surfactant | 67 (78.8%) | 35 (76.1%) | 15 (78.9%) | p = 0.77 |
| Ethnicity African American and Hispanic Black |
95% | 95% | 95% |
1This study includes preterm infants with GA = 23–29 weeks and BW < 1500 g.
DOL, days of life.