Table 2 Associated factors with the likelihood of neonatal complication (multivariate analysis)a
From: Avoiding late preterm deliveries to reduce neonatal complications: an 11-year cohort study
Variables | Odds ratio | 95% confidence interval | P-value |
|---|---|---|---|
Time periods (reference 2002–2004) | <0.001 | ||
2005–2006 | 0.83 | 0.59–1.15 | 0.258 |
2007–2008 | 0.96 | 0.68–1.36 | 0.830 |
2009–2012 | 0.47 | 0.34–0.64 | <0.001 |
Group of LPT (reference spontaneous) | 0.001 | ||
EB-LPT | 1.49 | 0.99–2.22 | 0.051 |
Non EB-LPT | 2.03 | 1.37–3.00 | <0.001a |
Mode of delivery (reference spontaneous) | 0.0002 | ||
Elective caesarean | 1.53 | 0.96–2.45 | 0.074 |
Caesarean during labour | 1.80 | 1.36–2.39 | <0.001 |
Lung maturation (reference no lung maturation) | 1.01 | 0.75–1.37 | 0.941 |
Gestational age in weeks (reference [36]) | <0.001 | ||
34 | 27.3 | 19.22–38.79 | <0.001 |
35 | 3.15 | 2.41–4.10 | <0.001 |
Mother’s age in years (reference <20 years) | 0.426 | ||
20–30 | 1.59 | 0.60–4.21 | 0.350 |
30–35 | 1.47 | 0.56–3.90 | 0.435 |
35–40 | 1.22 | 0.46–3.25 | 0.690 |
> =40 | 1.61 | 0.57–4.56 | 0.366 |
Weight percentile categories (reference >90th percentile) | <0.001 | ||
50-90th | 1.08 | 0.76–1.53 | 0.665 |
10-50th | 1.62 | 1.13–2.31 | 0.009 |
10th | 16.18 | 9.46–27.67 | <0.001 |
Boy (reference girl) | 1.66 | 1.31–2.11 | <0.001 |