Coronavirus mortality: Here's what we know

The studies below analyzed COVID-19 patients to obtain information regarding the disease's mortality rate: 

1. COVID-19 is deadlier for infected men than women, according to a study cited by CNBC. Published Feb. 17, the study analyzed 44,672 confirmed COVID-19 cases from the Chinese Center for Disease Control and Prevention. Male patients accounted for 51 percent of the total confirmed cases. 

The data suggested higher fatality rates for men than women, with a 2.8 percent fatality rate for men versus 1.7 percent for women.

2. Most COVID-19 cases are mild, the same study found. About 81 percent of the confirmed cases were classified as mild, and most patients reported "Wuhan-related exposures." 

Only 4.7 percent of the cases were classified as "critical," meaning patients exhibited symptoms such as respiratory failure, septic shock and multiple organ dysfunction. However, half of the critical cases proved fatal.

3. COVID-19 could be 20 times deadlier than flu, USA Today reports. The Chinese Center for Disease Control and Prevention estimated the fatality rate for the virus at 2.3 percent. This season's flu death rate in the U.S. is currently about 0.1 percent, according to the CDC.

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