Table 1 Distribution of ten primary characteristics of 3841 eligible babies in the EPIPAGE 2 cohort by 30-day unplanned rehospitalisation (URH30) status. Including missing values. P values derived from the chi-squared test
From: Assessing the risk of early unplanned rehospitalisation in preterm babies: EPIPAGE 2 study
Variables | Total | URH30 | URH30 (%) (95% CI) | p value |
|---|---|---|---|---|
Sex | ||||
Female | 1818 | 152 | 8.4 (7.1–9.7) | |
Male | 2001 | 198 | 9.9 (8.6–11.2) | 0.11 |
Gestation age (weeks) | ||||
32–34 | 997 | 40 | 4.0 (2.8–5.2) | |
27–31 | 2349 | 238 | 10.1 (8.9–11.3) | |
22–26 | 473 | 72 | 15.2 (12.0–18.4) | <0.001 |
Small for gestational age | ||||
Yes | 1325 | 134 | 10.1 (8.5–11.7) | |
No | 2494 | 216 | 8.7 (7.6–9.8) | 0.16 |
Nitric Oxide | ||||
Yes | 163 | 24 | 15.0 (10.0–20.0) | |
No | 3594 | 324 | 9.0 (8.1–9.9) | 0.02 |
Surfactant | ||||
Yes | 1888 | 225 | 11.9 (10.4–13.4) | |
No | 1885 | 119 | 6.3 (5.2–7.4) | <0.001 |
Early onset neonatal infection | ||||
Yes | 609 | 61 | 10.0 (7.6–12.4) | |
No | 3086 | 275 | 8.9 (7.9–9.9) | 0.43 |
Bronchopulmonary dysplasia | ||||
None | 2915 | 224 | 7.7 (6.7–8.7) | |
Mild | 431 | 65 | 15.1 (11.7–18.5) | |
Moderate | 106 | 18 | 17.0 (10.0–24.0) | |
Severe | 222 | 30 | 13.5 (9.0–18.0) | <0.001 |
Post-menstrual age at discharge (weeks) | ||||
< 36 | 639 | 25 | 3.9 (2.4–5.4) | |
36 – <37 | 960 | 83 | 8.6 (6.8–10.4) | |
37 – <38 | 763 | 70 | 9.2 (7.2–11.3) | |
≥ 38 | 1442 | 172 | 11.9 (10.2–13.6) | <0.001 |
Discharge weight (grams) | ||||
≤ 2200 | 706 | 46 | 6.5 (4.7–8.3) | |
2201–2600 | 1484 | 134 | 9.0 (7.5–10.5) | |
2601–3000 | 977 | 90 | 9.2 (7.4–11.0) | |
> 3000 | 579 | 76 | 13.1 (10.4–15.9) | 0.001 |
Breastfeeding status | ||||
None | 1719 | 189 | 11.0 (9.5–12.5) | |
Mixed | 839 | 70 | 8.3 (6.4–10.2) | |
Exclusive | 1004 | 72 | 7.2 (5.6–8.8) | 0.002 |