Year, Volume, Issue, Page(s):16, 39, 5, 527-534
Study evaluated the validity of the functional ability levels for the Spinal Cord Injury–Functional Index (SCI-FI). Data were collected from 855 individuals with traumatic spinal cord injury (SCI) enrolled in 6 rehabilitation centers participating in the National SCI Model Systems Network. Cluster analyses identified three distinct groups that represent low, mid-range, and high SCI-FI functional ability levels. Comparison of clusters on personal and other injury characteristics indicated some significant differences between groups. These results strongly support the use of SCI-FI functional ability levels to document the perceived functional abilities of people with SCI. The results of the cluster analysis suggest that the SCI-FI functional ability levels capture function by injury characteristics. Clinical implications regarding tracking functional activity trajectories during follow-up visits are discussed.