Table 2.

Relative differences in serum Cu, Se and Zn with respect to survival.

Country	Cu (alive/death)*	Se (alive/death)*	Zn (alive/death)*
Belgium	2.9	-19.6	-22.9
France	-18.4	-29.6	-11.5
Germany	-14.4	-19.1	-15.3
Ireland	5.9	-17.2	-24.7
Italy	6.7	-30.4	-10.5
Poland	6.8	-19.6	-12.6

* (in %), calculated as -((median(alive)-median(death))/median(alive) * 100).