A Prospective Analysis of the Supine and Sitting Straight-Leg Raise Test and Its Performance in Litigation Patients.

Int J Spine Surg 2018 Jan 30;12(1):58-63. Epub 2018 Mar 30.

Herbert Wertheim College of Medicine at Florida International University, Miami, Florida.

Background: The supine straight-leg raise (SLR) test has the potential to be exploited by malingering patients. The sitting SLR is believed to be less recognizable, therefore decreasing the chance of fabrication. The authors aim to compare the supine and sitting SLR test in patients with radiculopathy.

Methods: A total of 107 patients with radiculopathy were included in this study. Two groups were created: patients with workman's compensation (Group 1) and a control group of patients without litigation claims (Group 2).

Results: Mean age was 47.3 ± 1.3 years with a 51% female population. Correlation analysis demonstrated association between mean angles in both positions, = 0.248 with significance = .01. There was equivalence in the mean angles in sitting position of 37 ± 3° compared to 35 ± 2° in supine position ( = .549). There was no significant difference in the mean angle at which the test became positive in the litigation group in the sitting or supine position compared to the nonlitigation group, = .616 and = .49 respectively.

Conclusion: This study demonstrated that the SLR test is equivalent in the sitting and supine position. Therefore, patients with a positive test should have similar angles in both positions, decreasing the chance of falsifying the examination.

Level Of Evidence: Prospective analysis.

Clinical Relevance: Clinical practice.

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Source
http://ijssurgery.com/lookup/doi/10.14444/5010
Publisher Site
http://dx.doi.org/10.14444/5010DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6162033PMC
January 2018
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