Comments (10)
While enlightening, I believe the analysis and discussions here are beyond the scope of data sharing, the purpose of this repository.
from covid-19.
What a person who has just become infected wants to know is: What are my chances of dying (the death-to-case ratio)?
The easiest way is to wait until everyone has either recovered or died, then number died / total confirmed cases
would be exactly correct. The problem is, we can't wait that long.
Because it takes longer for a person to recover than it does for a person to die, the death statistics (when compared to recovery statistics) arrive sooner. If the graph of cases over time is still going up, then the deaths-to-recoveries ratio will appear higher than it really is; if the graph is going down, then the ratio will appear lower than it really is.
The thing to do instead is to examine a group of patients (a 'cohort') who are no longer sick (one way or the other). In that group, we can do the calculation number died / total confirmed cases
and get the right result.
from covid-19.
Here's an article comparing this virus to Ebola and Influenza, from National Geographic: https://www.nationalgeographic.com/science/2020/02/graphic-coronavirus-compares-flu-ebola-other-major-outbreaks/
From that, it looks like Influenza has killed many more people than Ebola, MERS, SARS and COVID-19 (this virus) combined.
This article from Wired https://www.wired.com/story/coronavirus-is-bad-comparing-it-to-the-flu-is-worse/ says such comparisons are unhelpful. If this virus spreads as far as Influenza has, many more people will die, as it looks like this virus has a 2% death-to-case ratio, compared to less than 0.1% for Influenza.
from covid-19.
The association between the died(on Axis Y) and the recovered(on Axis X) might be enough to satisfy the need we concern at http://www.smilechien.idv.tw/kpiall/deathrecovery.asp
from covid-19.
You might want to take a look at https://www.worldometers.info/coronavirus/coronavirus-death-rate/
from covid-19.
All deaths are accounted for, but not all infected people. Some people at home might have been asymptomatic or had recovered by themselves. The number of infected people is believed to be as high as 5 fold the numbers we currently have, therefore making the death-to-case ratio under 1%.
Professor Neil Ferguson, director of J-IDEA (UK), on the current 2019-nCoV coronavirus outbreak.
https://www.youtube.com/watch?v=ALQTdCYGISw
from covid-19.
Is there a reason that number died / total confirmed cases would not work?
http://avatorl.org/en/novel-coronavirus-2019-ncov-fatality-rate-who-and-media-vs-reality/
from covid-19.
The lag factor is problematic, an approach that could be considered is to compare on a infections X days ago against the deaths we know of today. Unlikely to be accurate, however, a better ‘guide’ to the trend than the raw today approach which hides the irate with the exponential new cases growth.
From the media; reports on progress this spread being 3-7 days gives an interesting picture, as too there is further lag with testing for confirmation creating up to a 48 hour lag on confirmation from presentation to confirmation. Then we have the new CT approach which now shortcuts that delay, making the data inconsistent if you are pursuing absolutes.
This is assuming data accuracy with complete reporting and no added manipulation. I have more confidence with the international data than I do with the Chinese data. Especially when we have reports that the death rate may not be being reported accurately as well as what has been said in this thread about infection data. We do what we do with what we have.
On this looking at the X-day lag, it is converging around 3-4% on a straight 3,5,7 day approach, ignoring the 48hour test delay. Which ‘feels’ about right when looking at the whole data set we have.
from covid-19.
Yes: as time goes on, the lag will have less and less effect on the overall rate.
from covid-19.
when the virus is not infecting more people the death rate data would drop again of course.
So any calculation is bound to the situation when the virus is still going around.
Because cases who end up dead earlier than cases recovering there should obviously a time where the time from being confirmed infected to death can be compared to the cases where the same time passed but the case survived/recovered. Both are treated usually in clinical circumstances, otherwise they where not confirmed cases. So any calculation based on a comparison of both inside this particular time span are expression of health care quality and lots of other factors. But you can compare them. It would express death rate even when confirmed inside a health care system.
It doesnt make sense to declare that cases without symptoms (unconfirmed cohort) are inside the cohort just to drop the mortality rate. While cases inside confirmed cohort are usually under health care treatment. You could include the influenza cohort and watch its axis curve, if its double the normal height then you know that one or the other has a higher rate. This is because the covid-19 cohort is new, not even a year old while influenza data is well known.
from covid-19.
Related Issues (20)
- Scotland data anomaly HOT 1
- WHO data for China will not be added to CSSE COVID-19 repository
- Johns Hopkins To Cease Live COVID-19 Data Reporting on March 10, 2023
- Global cases and deaths didn't update for Feb 10
- US cases and deaths did not update for Feb 10. HOT 8
- It happened again. US data updated current, Global updated but behind one day HOT 1
- Global cases and deaths: Fix the time reported HOT 1
- Global cases and deaths didn't update for Feb 18
- Discrepancy for covid cases in Turkey HOT 3
- WHO COVID-19 Dashboard moving to once per week reporting
- Why recovered cases data is discontinued? HOT 1
- Please see #4465.
- West Virginia discontinues county-level reporting; data to be sourced from HHS
- Why time series for Czechia decreases? HOT 2
- Global time series issues
- CUET(COMMON UNIVERSITY ENTRANCE TEST)
- Iceland publishes large spike in deaths HOT 1
- Nicaragua cases issues HOT 1
- BVI recovered cases
- Johns Hopkins Has Ceased Live COVID-19 Data Reporting as of March 10, 2023
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from covid-19.