Table 2.

 Summary excess relative risks (ERR)* per Gy and excess additive risks per 10⁴ person year Gy† (EAR/10⁴ PY-Gy) for types of circulatory disease mortality

Circulatory disease	Indicated as underlying cause of death					Underlying or contributing cause of death
	Deaths	P value	% ERR/Gy (95% CI)	EAR/104 PY-Gy (95% CI)†		Deaths	% ERR/Gy (95% CI)
Total	19 054	<0.001	11 (5 to 17)	5.5 (2.7 to 8.4)		25 113	15 (10 to 20)
Stroke	9 622	0.02	9 (1 to 17)	2.3 (0.4 to 4.4)		12 139	12 (5 to 19)
Heart disease	8 463	<0.001	14 (6 to 23)	3.2 (1.3 to 5.2)		14 018	18 (11 to 25)
Other	969	>0.5	2 (−18 to 29)	0.1 (−0.4 to 0.7)		5 846	58 (45 to 72)

*Estimates based on linear model, adjusted for city, sex, age at exposure, and attained age.

†Average EARs calculated directly from fitted ERR models.