According to the ONS, between 2nd January and 31st October 2021 there were 96 deaths recorded among 10-14-year-olds who had not been vaccinated, and 160 deaths recorded among 15-19-year-olds who had not been vaccinated.
The ONS have calculated the person-years among unvaccinated 10-14 year-olds during this period to be 2,094,711, whilst they’ve calculated person-years among unvaccinated 15-19 year-olds during this period to be 1,587,072.
To work out the mortality-rate per 100,000 person years all we need to now do is divide the person-years by 100,000, and then divide the number of deaths by the answer to that equation.
So for 10-14 year-olds we perform the following calculation –
2,094,711 (person-years) / 100,000 = 20.94711
96 (deaths) / 20.94711 = 4.58
Therefore, the mortality rate per 100,000 person-years among unvaccinated 10-14-year-olds is 4.58 deaths per 100,000 person-years between 1st Jan and 31st Oct 21.
By using the same formula we find that the the mortality rate among unvaccinated 15-19-year-olds is 10.08 deaths per 100,000 person-years.
Now all we have to do is use the same formula to calculate the mortality rate among one-dose vaccinated and two dose vaccinated 10-14, and 15-19 year-olds, by using the person-years and number of deaths provided by the ONS in table 9 of their ‘Deaths by Vaccination Status’ report, which are as follows –
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