Regionalization in the Brazilian Healthcare System, SUS: a critical review.

Objective to review the output and the use of the data to support managers in making decisions on the healthcare system, and analyze academic output on the theme. Method An online search of the SciELO database for articles using 'regionalization' and 'health/healthcare' as the keywords, and all indices as the 'scope of the study'. We found a total of 102 references, and after analyzing the abstracts selected 70 articles that effectively discuss regionalization of health/healthcare in Brazil. We also found four articles in non-health related journals. Analysis the institutional criteria (journal, theme area, date of publication, scope and number of authors), and the analytical criteria created by author - Type 1 - "Exploratory Studies" (26), "Evaluation Studies" (6), "Comparison Studies" (3); and "Reports of Experience" (5), Type 2 - "Theoretical-Analytical" papers (20) and "Historical-Conceptual Reviews" (4), and Type 3 - "Editorials (3) and "Book Reviews" (3). Findings regionalization has become more important in journals published since 2010. Most of the articles fall in the Type 1 category.