Table 1.

Rates of HEV RNA in repetitive voluntary non-renumerated blood donors.

Study Region	Number of Tested Donors	Number of HEV RNA-Positive Donors	HEV RNA Detection Rate, % (95% CI)	HEV RNA Positivity Ratio	p *
Moscow	14,533	3	0.021% (0.01–0.06%)	1:4844	0.9518
Belgorod	5872	2	0.034% (0.01–0.13%)	1:2936
Both regions combined	20,405	5	0.024% (0.01–0.05%)	1:4081

* Chi-square with Yates correction when two regions were compared.