Table 3.
Regression analysis for variables which might influence 7-day average systolic blood pressure (AVGSYS).
| AVGSYS | Coefficient | Standard error | t | P > ǀ t ǀ | 95% confidence interval |
|---|---|---|---|---|---|
| BPD | 9.36 | 1.46 | 6.42 | 0.000 | 6.5–12.2 |
| FGR | −0.58 | 2.33 | −0.25 | 0.8 | −5.2–4 |
| Surfactant | −0.08 | 1.62 | −0.05 | 0.96 | −3.3–3.1 |
| PDA | 1.7 | 1.31 | 1.29 | 0.19 | −0.9–4.3 |
| POSTNATALDEXYN | −1.93 | 1.37 | −1.41 | 0.16 | −4.6–0.8 |
| UAC | −1.31 | 1.14 | −1.15 | 0.25 | −3.6–0.9 |
| MatrDM | 0.9 | 1.9 | 0.47 | 0.63 | −2.8–4.6 |
| PREECL | 1.7 | 2.2 | 0.77 | 0.44 | −2.6–6 |
| CHORIO | 0.44 | 1.71 | 0.26 | 0.8 | −2.9–3.8 |
| _cons | 63.4 | 1.52 | 41.6 | 0.000 | 60.4–66.4 |
BPD Bronchopulmonary dysplasia, FGR Fetal growth restriction, PDA Patent ductus arteriosus, POSTNATALDEXYN Postnatal dexamethasone,
UAC Umbilical artery catheter, MatrDM Maternal diabetes mellitus, PREECL Pre-eclampsia, CHORIO Chorioamnionitis.
R-squared = 0.37, number of observations = 171.