We conclude that there is an association between dRVVT positivity and elevated proportions of single, double and persistently positive IgG-APLA test results with an apparent threshold effect. These findings may provide a general guide to risk and suggest a way to choose from a wide range of possible upper limits of the reference interval.
We conclude that 28% of patients with elevated LAC tests have a triple positive aPL antibody profile and patients with two positive LAC tests have a higher prevalence of a triple positive profile than do those with one positive LAC test result.
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