Re:Subprime ‘unicorns’ that do not look a billion dollars
by srunni on Saturday October 17, 2015 @02:57PM
(#10405585)
It seems that this isn't an issue for Theranos's FDA-approved HSV-1 assay. See Table 16 and Figure 1: http://www.accessdata.fda.gov/cdrh_docs/reviews/K143236.pdf
However, the skill level of whoever performed the fingerpricks for that data may be significantly higher than the average technician at Theranos's wellness centers. And of course we have no idea about the hundreds of other tests. There seems to be some other correlation data on Theranos's site (https://www.theranos.com/our-lab - scroll down to 'Representative Clinical Correlations'), but there's no captions or text to provide context.
(I am an anaestheologist and often perform or ask nurses to perform post-op point of care pinprick blood counts to look for anaemia in patients who have had big surgeries. We do 2 readings to check for error, and I often find that samples which have been squeezed out have a haemoglobin value 10-20% different to those which are drawn from a vein due to expression of tissue fluid.)