A study analyzed deaths from COVID-19 in Korea and found male patients in 70s with chronic cardiac disorder like hypertension were critically affected.

Apparently, most of them had died in average 10 days after the onset COVID-19 symptoms, and their average time to death was unaffected regardless of underlying illness.

First epidemiological report by Korean Society of Infectious Diseases on death due to COVID-19 in Korea

Korean Society of Infectious Diseases (KSID) has investigated 53 deaths, as of Mar. 15, from 7,513 patients infected by coronavirus in Korea and published the outcome on the Journal of Korean Medical Science on Mar. 30 (doi.org/10.3346/jkms.2020.35.