In numbers: The COVID-19 pandemic

Data | COVID-19 is deadliest for the elderly

A medical worker checkiing a patient at a temporary hospital set for for COVID-19 coronavirus patients in Wuhan on March 5, 2020.   | Photo Credit: AFP

People aged 80 and above are at the highest risk of dying due to COVID-19, according to case records analysed by the Disease Control and Prevention Centers in China and South Korea. Victims of the virus with pre-existing medical conditions such as cardiovascular disease and diabetes have a higher fatality rate than others. Also the rate of fatalities was relatively higher for retirees.

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Case fatality of age-groups in China

The chart plots the % of cases against the fatality rate of age-groups in China. Persons aged <50 had a <1% fatality rate while it was 15% for persons aged >=80.

Which age-groups were at most risk in China?

image/svg+xml 14 10 6 2 2 6 10 14 18 22 Fatality rate (deaths/cases) % of confirmed cases in China >=80 70-79 60-69 50-59 40-49 30-39 20-29 10-19 0-9 As age increases, there is a sharp increase in the fatality rate The share of younger people being infected was lower in China
 

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Case fatality of age-groups in South Korea

The chart plots the % of cases against the fatality rate of age-groups in S. Korea. The relationship between age and fatality rate remained the same as China’s.

Which age-groups were at most risk in South Korea?

image/svg+xml 10 8 6 4 2 0 2 6 10 14 18 22 26 % of confirmed cases in South Korea >=80 70-79 60-69 50-59 20-29 40-49 30-39 10-19 0-9 Fatality rate (deaths/cases) However, the share of middle- aged people infected with the virus in South Korea was very high compared to China
 

Case fatality by medical history in China

The chart plots the % of cases against the fatality rate across pre-existing medical conditions, in China. Such conditions increased the chances of fatality.

Which pre-existing medical conditions in a patient are more harmful?

image/svg+xml 10 8 6 4 2 0 10 30 50 70 Fatality rate (deaths/cases) Cardiovascular disease Diabetes Chronic respiratory disease Hypertension Cancer No condition % of confirmed cases in China The fatality rate for those with cardiovascular disease was the highest. Diabetes and respiratory diseases too increased the fatality rate
 

 

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Case fatality by occupation in China

The chart plots the % of cases against the fatality rate across various occupations, in China. Retirees have a high chance of dying because of the disease.

Persons of which occupation are more at risk

image/svg+xml 5 4 3 2 1 0 5 15 25 35 45 Other/none Retiree Farmer/labourer Service industry Health worker % of confirmed cases in China Fatality rate (deaths/cases)
 

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Printable version | Feb 26, 2021 9:08:34 AM | https://www.thehindu.com/data/data-coronavirus-is-deadliest-for-the-elderly/article31103478.ece

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