Table 4 Relative risk of fetal death by gestational age
Gestational age | New model | Standard model | Crude relative risk (95% CI)† | P-value |
|---|---|---|---|---|
N (%) | N (%) | |||
22 – 27 | 52/68 (76.5) | 36/54 (66.7) | 1.12 (0.98 – 1.29) | 0.086 |
28 – 31 | 26/77 (33.8) | 20/83 (24.1) | 1.09 (0.78 – 1.51) | 0.62 |
32 – 36 | 42/714 (5.9) | 20/670 (3.0) | 2.24 (1.42 – 3.53) | 0.0005 |
> 36 | 37/10710 (0.4) | 42/10237 (0.4) | 0.81 (0.52 – 1.26) | 0.35 |