Spine
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Multicenter Study Comparative Study Clinical Trial
Restorative exercise for clinical low back pain. A prospective two-center study with 1-year follow-up.
A comparison of treatment of 412 patients with chronic back pain at two separate centers using the same treatment protocols and outcome measures. Outcome was defined by specific strength testing; Short Form-36 scores at intake, discharge, and 1-year follow-up; self-appraisal of improvement at discharge and in a 1-year follow-up; and reuse of health care services after discharge. ⋯ Standardized protocols using specific strength and measurement equipment can achieve similar benefits at different sites.