John
the CDC para quoted simply refers to the methodology for their report on
US age-specific rates.
Greg
> <html>
> <body>
> At 19:04 20/03/2020, Harry Feldman wrote:<br>
> <blockquote type=cite class=cite cite="">So, if I read that correctly,
> 'all cases' used as the denominator to calculate the lower bound,
> includes only 'cases confirmed by state or local public health
> laboratories as well as those with a positive test at the state or local
> public health laboratories and confirmation at CDC'. That would appear to
> exclude the untested so probably a fraction of the total number of
> persons infected, resulting in a vastly inflated CFR?</blockquote><br>
> Harry, that's what we are being told, but it doesn't seem to be true for
> the data from China. On 17th Feb they changed their reporting
> practices. Previously they had only been reporting 'cases' if they
> had positive tests. However, on that day they decide to also
> include cases that had been 'clinically diagnosed', but without test
> confirmation, as the result of which their number of cases jumped up by
> nearly 20,000 'overnight'.<br><br>
> I normally cut off my graph at 4,000 (new cases per day), so that one can
> see what's going on (see second graph below) but, with the full data
> presented (first graph below) one can see this enormous jump.<br><br>
> <img src="cid:7.1.0.9.2.20200320191458.04e42160@mediscience.co.uk.0"
> width=700 height=382 alt="Emacs!">
> <br><br>
> <img src="cid:7.1.0.9.2.20200320191458.04e42160@mediscience.co.uk.1"
> width=700 height=381 alt="Emacs!">
> <br><br>
> Kind Regards,<br><br>
> </body>
> </html>
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