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Statistics in orthopaedic papers

¹ UCL Eastman Dental Institute, 256 Grays Inn Road, London WC1X 8LD, UK.

Correspondence should be sent to Dr A. Petrie; e-mail: a.petrie{at}eastman.ucl.ac.uk

Although the importance of sound statistical principles in the design and analysis of data has gained prominence in recent years, biostatistics, the application of statistics to the analysis of biological and medical data, is still a subject which is poorly understood and often mishandled. This review introduces, in the context of orthopaedic research, the terminology and the principles involved in simple data analysis, and outlines areas of medical statistics that have gained prominence in recent years. It also lists and provides an insight into some of the more common errors that occur in published orthopaedic journals and which are frequently encountered at the review stage in papers submitted to the Journal of Bone and Joint Surgery.

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