“…These have included the effects on transplantation rates of religion 6,7 , probabilities of need 8 , demographic factors and attitudes 9 , marital status 10 , gender 11 , geographic variation 12 , presumed consent policies 13 and socioeconomic status 13 . While these studies have provided valuable insight into the potential for single locus variables to influence rates of renal transplantation, few have focused upon more than one country, and, while one 13 has focused on several of the variables included in our study, none has attempted to associate the relationships of so many different factors for both living and deceased KTR during a specific, homogeneous time frame, across such a large number of countries. Our univariate and multivariate analysis of 15 socioeconomic, policy and demographic factors across 54 different countries provides, to date, the largest and most comprehensive analysis of factors that may potentially influence KTR.…”