Table 4 Bivariate and multivariate analysis of 28-day mortality among neonatal admissions
Characteristic | Crude HR | 95% CI | p value | Adjusted HR | 95% CI | p value |
|---|---|---|---|---|---|---|
Congenital anomaly | ||||||
 Yes | 0.89 | 0.39–2.02 | 0.770 | 0.54 | 0.13–2.23 | 0.393 |
 No (Ref) | ||||||
Sex | ||||||
 Male | 1.22 | 0.83–1.80 | 0.308 |  |  |  |
 Female (Ref) | ||||||
Gestational age at birth (in weeks) ‡ | 0.87 | 0.82–0.92 | < 0.0001a | 0.86 | 0.81–0.91 | < 0.0001* |
Age at presentation (in days) ‡ | 0.93 | 0.88–0.99 | 0.015 a | 1.05 | 0.97–1.13 | 0.199 |
Birth weight | ||||||
 <1.5 kg (Ref) | ||||||
 1.5–2.49 kg | 1.04 | 0.48–2.28 | 0.913 |  |  |  |
 ≥2.5 | 1.26 | 0.62–2.54 | 0.527 |  |  |  |
Type of gestation | ||||||
 Singleton (Ref) | ||||||
 Multiple | 0.54 | 0.26–1.10 | 0.090 a | 0.73 | 0.31–1.72 | 0.476 |
Severe perinatal asphyxia | ||||||
 Yes | 3.97 | 2.66–5.93 | < 0.0001a | 5.41 | 3.05–9.62 | < 0.0001* |
 No (Ref) | ||||||
Co-morbidity | ||||||
 Yes | 1.40 | 0.89–2.20 | 0.150 a | 1.18 | 0.63–2.19 | 0.603 |
 No (Ref) | ||||||
Maternal parity | ||||||
 1–2 (Ref) | ||||||
 3–4 | 0.87 | 0.53–1.42 | 0.575 |  |  |  |
 ≥5 | 0.58 | 0.18–1.85 | 0.357 |  |  |  |
Antenatal care | ||||||
 Yes (Ref) | ||||||
 No | 0.57 | 0.23–1.41 | 0.222 |  |  |  |