Karen Cutter Profile picture
Apr 12, 2024 11 tweets 4 min read Read on X
Some fact checking on this article.
TLDR: Australia has not reached a 'significant' COVID milestone
A short thread/
"Australia appears to have had at least a week where no COVID-associated deaths were recorded for the first time in more than two years."
This is simply not true. The statement is based on this Fed Health graph. Image
Yes, it does show a 7-day average of zero deaths for the most recent data points. But this ignores the fact that the graph is compiled using date of death, and it is almost impossible for someone to die, have their death registered, and included in the Fed data within a week! Image
This displays a fundamental misunderstanding of what the graph shows and how it is compiled.
The graph ALWAYS shows no deaths in the most recent week due to the inherent delays in registering deaths. Image
Further, there is something screwy going on with the death reporting. The numbers in this graph are significantly lower than what the official death certificate records are showing, as compiled by the APS. See this thread for more:
"The number of COVID-related hospital admissions is also the lowest it's been since January 2022, according to the latest data from the Department of Health and Aged Care."
This is also not true, but again is based on a Federal Health graph. Image
See note at bottom: "recent data will be subject to revision".
This irks me as the last point on this graph is shown as nose-diving. The 7-day average is 62. This includes values for the most recent days of:
- 6 March: 0
- 5 March: 4
- 4 March: 25.
CLEARLY incorrect. Image
Ignoring these 3 points, the 7-day average is 113. This will also under-count the actual position a little, and is likely to be around 120.
This is the lowest hospitalisations have been since about mid-Oct23, when we were about half-way up the slope of the current wave. Image
My view: at early March 2023, when these graphs were created, we were on the downward slope of the wave, but hadnt yet reached the bottom. No significant milestones had been reached.
New stats are expected out later today. Expect a lack of clarity.
ends/
I am so incredibly frustrated by both the presentation of these graphs and the reporting on them. Why is is so hard at this point in the pandemic to get it right?
@AusSMC have you seen this thread?

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More from @KarenCutter4

Dec 17, 2024
The Australian actuaries Mortality Working Group has released excess mortality estimates for the first eight months of 2024.

actuaries.digital/2024/12/17/mor…
Excellent summary, noting the baseline is no longer “assuming no pandemic”. Image
Actual weekly deaths are mostly within the 95% confidence interval. However, most weeks in June, July and August were above the prediction and this is significant in aggregate for the eight-month period. Image
Read 9 tweets
Jul 28, 2024
The Mortality Working Group has today published our Research Paper covering excess mortality in 2020-2023.
actuaries.asn.au/public-policy-…
It is a massive paper (100+ pages), so I'm not going to cover off all of it!
This thread gives a taster of what is included in the paper, and is aimed at those who may want to delve further into the nitty-gritty.
There are four main sections of our paper (plus an into in section 1).
Section 2 cover excess mortality for Australia. This formally documents the excess mortality blogs we published throughout 2023. For those who have been following me, the numbers will look familiar.
Read 14 tweets
Jul 11, 2024
The Mortality Working Group of the Actuaries Institute has released their latest estimate of excess mortality for Q1 2024.
TLDR: excess mortality is 1%, noting this is measured against the new baseline.
actuaries.digital/2024/07/10/exc…
Our new baseline measures 2024 mortality against 2023 (after allowing for some mortality improvement), and includes and allowance for COVID-19 deaths.
Deaths from all causes have been within the 95% confidence interval in each of the first thirteen weeks of 2024, although they have been towards the top of that range for three of the last four weeks of March. Image
Read 6 tweets
Apr 5, 2024
The Mortality Working Group of the Actuaries Institute has released our estimate of excess mortality for the full year 2023.
TLDR: Excess mortality for 2023 is 5% (95% CI: 3%-7%) or +8,400 deaths.
A thread/
actuaries.digital/2024/04/05/exc…
Note that our expected number of deaths (baseline) is our expectation had the pandemic not happened.
The baseline allows for changes in the age and size composition of the population over time, plus allows for pre-pandemic mortality trend to continue.
We finished the year with deaths being much higher than expected for each of the four weeks in December (as they were in November). Image
Read 15 tweets
Mar 27, 2024
Australian deaths counts: surveillance vs death certificates.
For some time now I have been quizzically looking at the death surveillance reporting, thinking the numbers looked too low.
A thread/
This is because of the relationship between hospitalisations and deaths.
Normally deaths track hospital admissions quite closely, but with a little bit of a lag. But for Dec23 and Jan24, this relationship changed - deaths are lower than expected based on hospitalisations. Image
A few theories were floating around about why (eg. JN.1 less severe), but it also didnt make sense to me from looking at the Vic death reporting, and knowing the Vic wave was a bit earlier than the rest of Aust. Things just werent stacking up nicely.
Read 8 tweets
Mar 1, 2024
The Mortality Working Group* of the Actuaries Institute has estimated Australian excess mortality to 30 November 2023.

A thread/

* re-branded as we plan to look at more than just Covid
Total excess mortality for the first 11 months of 2023 is estimated at 5% (95% confidence interval: 3% to 7%).
This is about 7,400 more deaths than expected if the pandemic had not happened.
This compares to excess mortality for 2022 of 11%.
With only one month of data still to be reported for 2023, we expect that excess mortality for the full year 2023 will be about half the level of 2022.
Read 11 tweets

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