Is diagnosis like facial recognition?

ROBERT M BELL rmsbell200 at YAHOO.COM
Sat Jul 28 01:10:54 UTC 2018


And are our biases masks?!

Rob
> On Jul 27, 2018, at 4:44 PM, Mark Graber <mark.graber at IMPROVEDIAGNOSIS.ORG> wrote:
> 
> Amazon was criticized publicly today because its facial recognition software had an apparent error rate of 5%, misidentifying several members of congress as felons.  https://tinyurl.com/y8lzgwc8 <https://tinyurl.com/y8lzgwc8>   In its own defense, Amazon said that the trial was done by setting the algorithm’s ‘confidence threshold’ to 80%, and that for important matching a much higher threshold, maybe 95% or more, would be more appropriate.
>  
> It will be interesting to see if congressfolk understand sensitivity\specificity tradeoffs, but the article raises interesting questions for us in diagnosis, given that so many (most ?) of our diagnoses are made by pattern matching, as Dr Jain so often reminds us ;<).  Isn’t this analogous to the facial recognition problem?  So what level of specificity should we be looking for before we label someone as having a particular diagnosis?  Each of us probably has our own confidence threshold before we’re comfortable assigning a label to someone’s problem, and I just wonder what error rate that equates to.
>  
> Mark
>  
> Mark L Graber MD FACP
> President, SIDM
> Senior Fellow, RTI International
> Professor Emeritus, Stony Brook University
>  
> 
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Moderator: David Meyers, Board Member, Society to Improve Diagnosis in Medicine


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