Introduction: The aging of the Brazilian population brings out the question about rising health expenditures, which are dependent not only on the age structure, but also on the expenditure distribution by age, which, on its turn, is related to the epidemiological profile by age and on the...

Probabilistic record linkage allows the assembling of information from different data sources. In this article, we present a procedure in case a one-to-one relationship between records in different files is expected but is not found only by applying the probabilistic record linkage methodology....