Table 4 Epidemiological risk factors associated with deaths of infants up to 27 days after birth with perinatal asphyxia adjusted by year of death (Cox Regression), São Paulo State, Brazil: 2004–2013
Hazard Ratio | 95% CI | |
|---|---|---|
Death at same place of birth | 1.57 | 1.43–1.7 |
Birth at Unified Health System hospital | 0.92 | 0.86–0.99 |
Number of antenatal care visits | ||
0–3 | 1.16 | 1.07–1.25 |
4–6 | 1.05 | 0.98–1.12 |
1st minute Apgar score | ||
0–1 | 1.49 | 1.33–1.67 |
2–3 | 1.20 | 1.07–1.35 |
4–6 | 1.09 | 0.97–1.22 |
Sex male | 0.90 | 0.86–0.95 |
Gestational age x Delivery mode | p = 0,006 | |
37–41 weeks | ||
Cesarean vs. Vaginal | 1.01 | 0.93–1.11 |
22–27 vs. 37–41 weeks | ||
Vaginal | 1.37 | 1.24–1.51 |
Cesarean | 1.12 | 0.99–1.26 |
28–31 vs. 37–41 weeks | ||
Vaginal | 0.89 | 0.79–1.02 |
Cesarean | 0.77 | 0.69–0.87 |
32–36 vs. 37–41 weeks | ||
Vaginal | 0.97 | 0.85–1.12 |
Cesarean | 0.83 | 0.75–0.93 |
≥ 42 vs. 37–41 weeks | ||
Vaginal | 1.10 | 0.69–1.76 |
Cesarean | 1.91 | 1.27–2.87 |