Before revision:  Results: The correlation between case-fatality ratios and rates of mortality for COVID-19 in different regions of the Russian Federation on Oct. 1 , 2020 is 0.68 (0.54,0.78 ).
After revision:  Results: The correlation between case-fatality ratios and rates of mortality for COVID-19 in different regions of the Russian Federation on Oct. 1 , 2020 is 0.64 (0.50,0.75 ).