Development of a German version of the Oswestry Disability Index. Part 2: sensitivity to change after spinal surgery

Abstract

When functional scales are to be used as treatment outcome measures, it is essential to know how responsive they are to clinical change. This information is essential not only for clinical decision-making, but also for the determination of sample size in clinical trials. The present study examined the responsiveness of a German version of the Oswestry… (More)
DOI: 10.1007/s00586-004-0816-z

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