Table 2 Children whose parents were exposed and not exposed to the KNM Kvikk according to whether the children had congenital anomalies and whether the children were stillborn or died within one week of birth.

Exposed to the KNM Kvikk	Children with congenital anomalies		Stillborn or dead within one week of birth
	No. (%)	Prevalence ratio (95% CI)	No. (%)	Prevalence ratio (95% CI)
No	74 (2.5)	1	53 (1.8)	1
Yes	8 (9.2)	4.0 (1.9 to 8.6)	6 (6.9)	4.1 (1.7 to 9.9)