Subgroup analysis and interaction tests: why they are important and how to avoid common mistakes

Ferreira1,2, Juliana Carvalho; Patino1,3, Cecilia Maria

doi:http://dx.doi.org/10.1590/S1806-37562017000000170

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Educação Continuada: Metodologia Científica

Subgroup analysis and interaction tests: why they are important and how to avoid common mistakes

Análise de subgrupos e testes de interação: por que são importantes e como evitar erros comuns

Juliana Carvalho Ferreira1,2, Cecilia Maria Patino1,3

DOI: http://dx.doi.org/10.1590/S1806-37562017000000170

1. Methods in Epidemiologic, Clinical, and Operations Research - MECOR - program, American Thoracic Society/Asociación Latinoamericana del Tórax, Montevideo, Uruguay.
2. Divisão de Pneumologia, Instituto do Coração - InCor - Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brasil.
3. Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.