
As for the 850 number
study 1 doppler only=89msers 60 matched controls
study 2 doppler only=109 msers 177 controls including vascular disease and cardiac disease
study 3 65msers and 235 controls--venograms were done here on MSers
study 4 Liberation 100
totals are 363 ms patients and 472 controls=835 people in the blinded work with the MSers identified with 100% accuracy using only their dopplers by blinded researchers.
You can't fake that. And if you tried, you'd find out soon enough because the venograms would show your error. And as soon as other docs looked at people they'd see no stenosis doubly showing your mistake. But it is not going that way
These studies were BLINDED on both sides; the sonographer doing the doppler did not know what the diagnosis was, and the doctor reading the data later did not know the diagnosis either.
we need more replication, but so far, things look good