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

† Model adjusted for risk strata only.