Table 3 Crude and adjusted relative risks of fetal and neonatal outcomes stratified by risk and model of antenatal care
High maternal risk group (n = 5,125) | ||||
|---|---|---|---|---|
End points | New model | Standard model | Crude relative risk (95% CI)*0 | Adjusted relative risk (95% CI)*† |
N (%) | N (%) | |||
Perinatal mortality | 91/2713 (3.35) | 71/2412 (2.94) | 1.00 (0.85 – 1.17) | 0.94 (0.79 – 1.12) |
Fetal death | 65/2713 (2.40) | 36/2412 (1.49) | 2.12 (1.53 - 2.94) | 1.78 (1.33 – 2.39) |
Fetal death with GA <=36 weeks | 51/2713 (1.9) | 26/2412 (1.1) | 1.77 (1.48 – 2.10) | 1.48 (1.17 – 1.89) |
Neonatal deaths | 26/2648 (1.0) | 35/2376 (1.5) | 0.48 (0.31 – 0.72) | 0.47 (0.30 – 0.72) |
Low maternal risk group (n=17,668) | ||||
End points | New model | Standard model | Crude relative risk (95% CI)* 0 | Adjusted relative risk (95% CI)* ‡ |
N (%) | N (%) | |||
Perinatal mortality | 143/8959 (1.60) | 119/8709 (1.37) | 1.14 (0.90, 1.44) | 1.24 (0.95, 1.63) |
Fetal death | 96/8959 (1.07) | 83/8709 (0.95) | 1.18 (0.91 – 1.52) | 1.26 (0.91 – 1.73) |
Fetal death with GA <=36 weeks | 71/8959 (0.8) | 51/8709 (0.6) | 1.48 (1.08 – 2.04) | 1.56 (1.05 – 2.31) |
Neonatal deaths | 47/8863 (0.5) | 36/8626 (0.4) | 1.38 (0.89 – 2.14) | 1.35 (0.87 – 2.10) |