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- Title
Estimates of success in patients with sciatica due to lumbar disc herniation depend upon outcome measure.
- Authors
Haugen, Anne; Grøvle, Lars; Brox, Jens; Natvig, Bård; Keller, Anne; Soldal, Dag; Grotle, Margreth
- Abstract
The objectives were to estimate the cut-off points for success on different sciatica outcome measures and to determine the success rate after an episode of sciatica by using these cut-offs. A 12-month multicenter observational study was conducted on 466 patients with sciatica and lumbar disc herniation. The cut-off values were estimated by ROC curve analyses using Completely recovered or Much better on a 7-point global change scale as external criterion for success. The cut-off values (references in brackets) at 12 months were leg pain VAS 17.5 (0-100), back pain VAS 22.5 (0-100), Sciatica Bothersomeness Index 6.5 (0-24), Maine-Seattle Back Questionnaire 4.5 (0-12), and the SF-36 subscales bodily pain 51.5, and physical functioning 81.7 (0-100, higher values indicate better health). In conclusion, the success rates at 12 months varied from 49 to 58% depending on the measure used. The proposed cut-offs may facilitate the comparison of success rates across studies.
- Subjects
SCIATICA; LUMBAR vertebrae; INTERVERTEBRAL disk hernias; HEALTH outcome assessment; SCIATIC nerve diseases; TREATMENT effectiveness
- Publication
European Spine Journal, 2011, Vol 20, Issue 10, p1669
- ISSN
0940-6719
- Publication type
Article
- DOI
10.1007/s00586-011-1809-3