• Spine · Apr 2013

    Comparative Study

    Comparison of the EuroQOL-5D with the Oswestry Disability Index, back and leg pain scores in patients with degenerative lumbar spine pathology.

    • Benjamin Mueller, Leah Y Carreon, and Steven D Glassman.
    • From the Norton Leatherman Spine Center, Louisville, KY.
    • Spine. 2013 Apr 20;38(9):757-61.

    Study DesignCross-sectional study.ObjectiveTo evaluate the response behavior of EuroQOL-5D (EQ-5D) compared with the Oswestry Disability Index (ODI), and back and leg pain scores.Summary Of Background DataRecent changes in policies have highlighted the need for demonstration of both quality and cost effectiveness. In an effort to meet these requirements, surgeons are collecting health-related quality of life and utility data. Unfortunately, the burden of extensive data collection on both physician and patient is considerable. The EQ-5D is a commonly used, easily administered, brief utility measure that can provide both clinical and utility data. The EQ-5D has not yet been validated in spine patients in comparison with established outcome measures.MethodsEQ-5D, ODI, back and leg pain (0-10) scores were collected as part of standard clinical practice. Spearman rank correlations between the ODI, back and leg pain scores, and the EQ-5D were determined. A subanalysis to determine dimension-specific effects was done. Data were categorized by level of low back disability and level of back and leg pain.ResultsData from 8385 patients (5046 females, 3339 males), mean age 52 (range, 18-96) were analyzed. There was a strong correlation between EQ-5D and ODI (r = -0.776) and between EQ-5D and back pain (r = -0.648); and moderate correlation between EQ-5D and leg pain scores (r = -0.538). Increasing disability, as measured by ODI, lead to lower EQ-5D scores, with similar response behavior for both back and leg pain scores. All correlations were statistically significant at P < 0.0001.ConclusionThe EQ-5D correlated well with established spine outcome measures, including ODI, and back and leg pain scores. EQ-5D correlated best with ODI scores. Correlation with back pain was stronger than leg pain, but all correlations were relatively strong. The EQ-5D can serve spine surgeons as an effective measure of clinical outcome and health utility for economic analysis.

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