This article summarises the original randomised control trial (RCT) in stroke patients for the ODFS. This study was the first RCT of any FES device and showed significant improvements in walking speed and reduction in PCI (effort) when the ODFS was used. This paper with other evidence was used by the Development and Evaluation Committee to justify the use of the ODFS in the NHS.
The full article is published in Clin Rehabil. 1997 Aug;11(3):201-10.