Here's Dr. Haacke's full report from his October presentation--
http://www.ms-mri.com/presentations/wash-dc-oct-18-10-final-web.pdf
Here are the figures: 50 pwMS tested utilizing the Haacke protocol--49 had abnormal flow.
Truncular Venous Malformations --10
One or more stenosis--12
Bulging at lower jugular--3
Abrupt contrast change--3
Jetting and then filling in to normal---1
Missing jugular---1
Pinched jugular--8
Normal anatomy but abnormal circulatory flow--7
Normal anatomy but reflux--3
Normal anatomy but stasis--1
No abnormal flow---1