Statistical Analysis of Hip registries in Australia, Canada, Norway, and Sweden: Projection on the United States

Abstract

<p>According to the American Academy of Orthopaedic Surgeons there are approximately 500,000 hip replacements done in a year in the United States. In this study an analysis of hip registries available in Australia, Canada, Norway, and Sweden was done in order to answer the questions of who is and when are people getting hip replacements. Further research was done using census information from each country to find how the number of hip replacements was reflected in the general population. The information gleaned from the census was used to create projections onto the United States population as no official hip registry is currently in existence. In order to do a projection analysis onto the United States population it is important to be sure that the registries are significantly correlated to each other. Statistical analysis of the four hip registries found that age group, and gender were statistically correlated. Furthermore, there was a statistical correlation between the census information between all four countries. A statistical correlation was found between the four other countries and the United States when comparing the census information, which allowed for a projection from the former to the latter. The projection on the United States allowed a proper estimation of hip replacements for the various demographics through the year 2030.</p><p>This presentation occurred at the Wright State University Campus-Wide Celebration of Research, Scholarship and Creative Activities on April 16, 2010</p>