February 26, 2020

DON'T SMOKE:

Coronavirus fatality rates vary wildly depending on age, gender and medical history (QUENTIN FOTTRELL, 2/26/20, Market Watch)

The medical journal JAMA released a paper this week analyzing data from the Chinese Center for Disease Control and Prevention on 72,314 coronavirus cases in mainland China, the figure as of Feb. 11, the largest such sample in a study of this kind.

The sample's overall case-fatality rate was 2.3%, higher than World Health Organization official 0.7% rate. No deaths occurred in those aged 9 years and younger, but cases in those aged 70 to 79 years had an 8% fatality rate and those aged 80 years and older had a fatality rate of 14.8%.

No deaths were reported among mild and severe cases. The fatality rate was 49% among critical cases, and elevated among those with preexisting conditions: 10.5% for people with cardiovascular disease, 7.3% for diabetes, 6.3% for chronic respiratory disease, 6% for hypertension, and 5.6% for cancer.

The latest China-based study, which was not peer-reviewed by U.S. scientists, found that men had a fatality rate of 2.8% versus 1.7% for women. Some doctors have said that women may have a stronger immune system as a genetic advantage to help babies during pregnancy.

The Chinese study is likely not representative of what might happen if the global spread of the virus worsens. In China, nearly half of men smoke cigarettes compared to roughly 2% of women, which could be one reason for the higher death rate among males.



Posted by at February 26, 2020 3:59 PM

  

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