My favorite philosophical maxim is, "Check your premises." If I had a favorite statistical maxim, it might be, "Check your denominator."I posted the below on another forum after seeing a couple of guys throw out random death rate numbers. I didn't want to be like certain other people who "have been putting out daily updates on a different forum with high accuracy every day" and not share it here...so...here's some numbers I crunched this morning while procrastinating on house projects.
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I did some simple math based on the US and Korean numbers published here. Crunching the numbers as "per captia" results in really small numbers (10^-4 type numbers), but the interwebs said it's common to multiply by 100k for diseases because of this. These are static numbers and in no way a good predictor of anything. Infection rates (Cases per 100k) are not great numbers to look at since the amount of people tested varies wildly from country to country. I'm inclined to say the death rate is a more accurate number, but that presumes each country is reporting honestly/accurately. That said, as of right now (24MAR20) and in no particular order:
Population
Korea: 51,470,000
US: 327,200,000
Italy: 60,480,000
China: 1,386,000,000
Spain: 46,660,000
France: 66,990,000
Japan: 126,800,000
Iran: 81,160,000
Germany: 82,790,000
Total Cases
Korea: 9,037
US: 46,548
Italy: 63,927
China: 81,588
Spain: 39,673
France: 20,149
Japan: 1,140
Iran: 24,811
Germany: 31,370
Total Cases per 100,000 People
Korea: 17.557
US: 14.226
Italy: 105.699
China: 5.886
Spain: 85.025
France: 30.077
Japan: 0.899
Iran: 30.570
Germany: 37.891
Total Deaths
Korea: 120
US: 592
Italy: 6,077
China: 3,281
Spain: 2,800
France: 862
Japan: 42
Iran: 1,934
Germany: 133
Total Deaths per 100,000 People
Korea: 0.233
US: 0.18
Italy: 10.047
China: 0.236
Spain: 6.000
France: 1.286
Japan: 0.331
Iran: 2.382
Germany: 0.160
Percentage of Cases Resulting in Death
Korea: 1.327%
US: 1.271%
Italy: 9.506%
China: 4.021%
Spain: 7.057%
France: 4.278%
Japan: 3.684%
Iran: 7.794%
Germany: 0.423%
Median Age
Korea: 40.8
US: 38.2
Italy: 45.4
China: 38.4
Spain: 44.9
France: 41.2
Japan: 48
Iran: 31.3
Germany: 45.9
Yes, I was bored. But also tired of looking at sensationalized numbers in the media. Feel free to check my math.
I like your stats, they show that Italy really is a mess, and it seems like Japan ain't so bad (relatively). I think the media tends to provide raw numbers (total cases, total deaths, etc ) because those raw data are easier to gather, produce, present, and interpret. Unfortunately they not only miss telling the whole story, but also distort or distract from the truth.
Questions your data lead to:
- Are the U.S. & Korea testing more or healing more to get their deaths per case rate down?
- How is Japan beating Europe's death rate with such a high median age (and known large senior demographic)?
- How can we be more German?