Notes on the use and interpretation of radiostereometric analysis
Open Access
- 1 January 2009
- journal article
- research article
- Published by Medical Journals Sweden AB in Acta Orthopaedica
- Vol. 80 (1), 124-130
- https://doi.org/10.1080/17453670902807474
Abstract
With increasing numbers of research groups carrying out radiostereometric analysis (RSA), it is important to reach a consensus on how the main aspects of the technique should be carried out and how the results should be presented in an appropriate and consistent way. In this collection of guidelines, we identify a number of methodological and reporting issues including: measurement error and precision, migration and migration direction data, and the use of RSA as a screening technique. Alternatives are proposed, and a statistical analysis is presented, from which a sample size of 50 is recommended for screening of newly introduced prostheses.Keywords
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