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ODI composite score improvements may not correlate with SF-12 PCS following fusion surgery for spondylolisthesis

A study published online in the journal Spine questions the appropriateness of composite Oswestry Disability Index (ODI) score in the evaluation of quality of life in studies of surgically treated degenerative spondylolisthesis patients. 

The authors analyzed data from a prospective registry of 196 patients who underwent elective fusion surgery for degenerative spondylolisthesis. At 1-year follow-up, they found that the ODI domains most correlated with improvement in SF-12 physical composite score were lifting, standing, and traveling. The authors concluded that “the item bank and composite scoring of the ODI are inappropriate for evaluating quality of life in studies of surgically treated degenerative spondylolisthesis patients." Learn more...