The Journal of head trauma rehabilitation
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J Head Trauma Rehabil · Dec 2002
Retrospective assessment of rehabilitation outcome after traumatic brain injury: development and utility of the functional independence level.
To develop a measure suitable for retrospective analysis of qualitative brain injury outcome data, the Functional Independence Level (FIL), and document its reliability, validity, and utility. ⋯ The FIL is a reliable and useful tool for retrospective and prospective assessments of rehabilitation outcome. Gains made during primary rehabilitation by people with severe traumatic brain injury are generally maintained at long-term follow up. Retrospective ratings using the DRS and FIL can help guide postacute rehabilitation planning within state or regional head injury programs.