The research team, from the burden of disease research unit at the SAMRC and the Centre for Actuarial Research at UCT, has issued monthly reports from its rapid mortality surveillance system since 2011.
When Covid-19 arrived, the home affairs department gave permission for weekly downloads from the national population register, and the researchers worked with this data to track excess deaths.
These are deaths which are above the estimated number based on trends over the previous two years.
Until now, they have been cautious about attributing excess deaths to Covid-19, but in their new report they say: “We consider that at least 85% of the excess natural deaths were due to Covid-19. This is much higher than the 28,469 officially confirmed Covid-19 deaths.
“Allowing for this and the relatively young population, Covid-19 deaths per capita in SA probably ranked in the top five countries in the world.”
SA's Covid-19 mortality rate among top five in world, say excess death boffins
Image: 123rf/recstockfootage
The number of deaths due to Covid-19 in 2020 was nearly three times the official toll, and SA's Covid-19 mortality rate for the year was probably among the top five in the world.
These are some of the key findings from the team at the SA Medical Research Council and University of Cape Town which has provided weekly updates on the number of deaths nationwide since the start of the local Covid-19 outbreak in March 2020.
Reporting their findings in the SA Medical Journal, the team said while the official Covid-19 death toll for 2020 was 28,469, there were between 70,998 and 76,127 excess deaths from natural causes, depending on the calculation method.
This is up to 2.67 times the official Covid-19 death toll, and the researchers said: “The temporal trend and age pattern of the excess deaths suggest that most of these deaths are directly due to or related to Covid-19.”
However, the level 5 lockdown between March 27 and May 1 saved the lives of nearly 5,000 people who would otherwise have died from unnatural causes, such as road accidents.
And the lockdown meant there was no influenza outbreak in 2020, saving more lives.
Image: SA Medical Journal
The research team, from the burden of disease research unit at the SAMRC and the Centre for Actuarial Research at UCT, has issued monthly reports from its rapid mortality surveillance system since 2011.
When Covid-19 arrived, the home affairs department gave permission for weekly downloads from the national population register, and the researchers worked with this data to track excess deaths.
These are deaths which are above the estimated number based on trends over the previous two years.
Until now, they have been cautious about attributing excess deaths to Covid-19, but in their new report they say: “We consider that at least 85% of the excess natural deaths were due to Covid-19. This is much higher than the 28,469 officially confirmed Covid-19 deaths.
“Allowing for this and the relatively young population, Covid-19 deaths per capita in SA probably ranked in the top five countries in the world.”
Image: SA Medical Journal
The researchers — Debbie Bradshaw, Rob Dorrington, Ria Laubscher, Tom Moultrie and Pam Groenewald — said people aged 60-69 were worst affected at the peak of the first wave of Covid-19, which arrived in July 2020. At that point, they accounted for 28% of excess natural deaths.
Deaths among over-80s were much higher than reported confirmed Covid-19 deaths, and the researchers said: “It is possible that deaths among elderly people, particularly women, disproportionately occurred in care institutions or communities without accessing health services.”
Image: SA Medical Journal
Image: SA Medical Journal
The number of excess deaths from Covid-19 in 2020 was similar to the 73,500 deaths from HIV/Aids, “which would have been the leading single cause of death in the absence of the epidemic”, they said.
“In common with HIV/Aids ... there is a greater number of deaths [and higher per capita mortality rate] in women than in men.”
Overall, the number of deaths in 2020 was 13% higher than expected, but on Twitter Moultrie pointed out that the study excluded the peak of the second wave early in 2021.
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