Table 3 Factors associated with the in-hospital mortality of extremely preterm neonates – multivariable logistic regression analysis.
Variables | Categories | COR (CI = 95%) | AOR (CI = 95%) | P-values at AOR |
|---|---|---|---|---|
Neonatal factors | ||||
Sex | Male | 1.55 (0.80-3.00) | 1.62 (0.71–3.71) | p = 0.26 |
Female | 1 | 1 | ||
Gestational age category | < 24 weeks | 3.81 (1.62–8.98) | 3.17 (1.06–9.49) | p = 0.04 |
≥ 24 weeks | 1 | 1 | ||
Birth weight category | ELBW | 1.54 (0.63–3.79) | 0.91 (0.29–2.88) | p = 0.86 |
VLBW | 1 | 1 | ||
Birth weight percentile | SGA | 2.21 (0.92–5.32) | 3.62 (1.07–12.93) | p = 0.04 |
AGA and LGA | 1 | 1 | ||
1-min Apgar score | < 7 | 5.55 (2.47–12.49) | 3.49 (1.30–9.32) | p = 0.01 |
> 7 | 1 | 1 | ||
5-min Apgar score | < 7 | 9.39 (3.73–23.65) | 5.60 (1.86–16.86) | p < 0.001 |
≥ 7 | 1 | 1 | ||
Maternal and sociodemografic factors | ||||
Place of delivery | Outborn | 4.41 (0.83–23.49) | 5.40 (0.72–40.57) | p = 0.10 |
Inborn | 1 | 1 | ||
Mode of delivery | Cesarean section | 0.56 (0.30–1.08) | 0.47 (0.19–1.18) | p = 0.12 |
Vaginal delivery | 1 | 1 | ||
Birth type | Multiple pregnancy | 1.04 (0.50–2.19) | 1.62 (0.57–4.60) | p = 0.36 |
Single pregnancy | 1 | 1 | ||
Parity | Multiparous | 0.55 (0.29–1.05) | 0.24 (0.07–0.77) | p = 0.02 |
Primiparous | 1 | 1 | ||
Maternal age | ≥ 35 years | 1.27 (0.62–2.59) | 0.90 (0.37–2.20) | p = 0.82 |
< 35 years | 1 | 1 | ||
Place of residence | Rural area | 1.21 (0.63–2.31) | 1.80 (0.75–4.29) | p = 0.19 |
City | 1 | 1 | ||
