Table 2.
Unadjusted (uOR) and adjusted odds ratios (aOR) for the ten predictors in the primary predictive logistic regression model for unplanned rehospitalisation within 30 days (URH30) amongst 2707 eligible, complete-case babies in the EPIPAGE 2 cohort
| Variable | uOR | 95% CI | p value | aOR | 95% CI | p value |
|---|---|---|---|---|---|---|
| Female | 0.84 | 0.65–1.08 | 0.176 | 0.92 | 0.81–1.05 | 0.22 |
| Gestational age (weeks) (ref. 32–34) | ||||||
| 27–31 | 2.83 | 1.82–4.42 | <0.001 | 1.47 | 1.17–1.84 | 0.001 |
| 22–26 | 4.88 | 2.95–8.08 | <0.001 | 1.44 | 1.18–1.77 | <0.001 |
| Small for gestational age | 1.11 | 0.85–1.45 | 0.440 | 1.12 | 0.96–1.30 | 0.16 |
| Nitric oxide | 1.71 | 1.01–2.92 | 0.047 | 1.03 | 0.92–1.16 | 0.58 |
| Surfactant | 2.10 | 1.60–2.75 | <0.001 | 1.16 | 0.99–1.36 | 0.07 |
| Early onset neonatal infection | 1.18 | 0.85–1.64 | 0.313 | 0.99 | 0.88–1.13 | 0.91 |
| Bronchopulmonary dysplasia (ref. none) | ||||||
| Mild | 2.26 | 1.62–3.14 | <0.001 | 1.12 | 0.98–1.27 | 0.09 |
| Moderate | 2.32 | 1.30–4.13 | 0.004 | 1.05 | 0.93–1.17 | 0.45 |
| Severe | 1.78 | 1.12–2.84 | 0.015 | 0.98 | 0.85–1.12 | 0.73 |
| Post-menstrual age at discharge (weeks) (ref. <36) | ||||||
| 36 - <37 | 2.22 | 1.29–3.80 | 0.004 | 1.34 | 1.06–1.70 | 0.02 |
| 37 - <38 | 2.48 | 1.43–4.30 | 0.001 | 1.32 | 1.05–1.65 | 0.02 |
| ≥ 38 | 3.04 | 1.83–5.05 | <0.001 | 1.29 | 0.97–1.72 | 0.08 |
| Discharge weight (grams) (ref. 2,201–2600) | ||||||
| ≤2200 | 0.79 | 0.53–1.19 | 0.260 | 0.91 | 0.77–1.08 | 0.28 |
| 2601 - 3000 | 1.22 | 0.89–1.69 | 0.220 | 1.02 | 0.88–1.19 | 0.79 |
| > 3000 | 1.60 | 1.13–2.28 | 0.008 | 1.05 | 0.90–1.23 | 0.52 |
| Breastfeeding status (ref. none) | ||||||
| Mixed | 0.79 | 0.57–1.10 | 0.160 | 0.95 | 0.82–1.09 | 0.47 |
| Exclusive | 0.69 | 0.50–0.94 | 0.019 | 0.88 | 0.76–1.02 | 0.10 |