COVID Odyssey: Spring Spruce up 23 ~ Post#906: France COVID 2020 ~ COVID Deaths: 100 x more likely to die at 85 than at 45

We look at the age-related findings in this article for COVID-19 in France in the first half of 2020:

Semenzato et al (2021)

Findings: In a population of 66,050,090 people, 87,809 people (134 per 100,000) were hospitalized for COVID-19 between February 15, 2020 and June 15, 2020 and a subgroup of 15,661 people (24 per 100,000) died in hospital.

A much higher risk was observed with increasing age, reaching a risk of hospitalization for COVID-19 more than five fold higher and a risk of COVID-19-related in-hospital mortality more than 100-fold higher in people aged 85 years and older (absolute risks of 750 and 268 per 100,000, respectively) compared to people aged 40 to 44 years.

Men were at higher risk of COVID-19-related hospitalization (aHR 1.38 [1.36-1.40]) and COVID-19-related in-hospital mortality (aHR 2.08 [2.01-2.16]) compared to women.

For simplicity we start at age 45 with a factor of 1.

We look at the following table we developed:

The table is for demonstration purposes only. The table does not represent the true situation.

At first glance, 100-fold higher mortality in people 85 or more appears very high.

We see in the table that every age 20 years higher has a mortality 10 times higher.

Therefore 40 years higher has a mortality 100 (= 10 x 10) higher.

We obtain the following graph from the table:

This PDF version may be easier to read:

FranceChart

We also note that:

Men were at higher risk of COVID-19-related hospitalization (aHR 1.38 [1.36-1.40]) and COVID-19-related in-hospital mortality (aHR 2.08 [2.01-2.16]) compared to women.

Also see:

https://aaamazingphoenix.wordpress.com/?s=Spring+Spruce+up

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