"A Racial Difference in the Prevalence of the Arg506->Gln Mutation."

According to the authors' abstract of an article published in Thrombosis Research, "Several recent studies have reported that the factor V Arg506-->Gln mutation is present in 3-10% of adults of European descent. To determine if the prevalence is comparable among Blacks, we have initiated a case-control study in a large urban hospital in Atlanta which serves a substantial black population. We have evaluated 131 black subjects with confirmed venous or arterial thrombosis and 61 black subjects without a history of thrombosis. Only one case and one control were positive for the Arg506-->Gln mutation. We conclude that the mutation is more common among Whites than Blacks." The...

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