Progression confirmation period too short to define....

[MSUK]

Progression confirmation period too short to define disability persistence in MS

Researchers recommend extending the minimum timeframe for confirming disability progression in multiple sclerosis (MS) from three–six months to 12 or 24 months to better distinguish true irreversible disability from relapse-associated transient disability... Read More - http://www.ms-uk.org/MSnews

[ElliotB]

If you read Dr. Wahls' story, it details that perhaps 12-24 months is also too short a period to define disability persistence in MS.