This audit looked at all ODFS users who started using the device in 1999 or 2004. The study shows that the average time the ODFS was used for was about 5 years. 26% of ODFS users were still using the device in 2010. The ODFS is a long term mobility aid. This article also calculates the QALY value for FES users.
how_long_do_dropped_foot_stimulator_users_continue_to_use_fes_and_how_much_does_it_cost.pdf