Evidence Levels for Neuroradiology Articles: Low Agreement among Raters

From the Departments of Neuroradiology (J.N.R., G.T., M.C.) and Radiology (M.R.), University of North Carolina Hospital, Chapel Hill, North Carolina; Centro Hospitalar de Lisboa Central (J.N.R.), Lisbon, Portugal; Hospital Garcia de Orta (M.R.), Almada, Portugal; and Faculdade de Medicina da Universidade de São Paulo (R.S.A.), São Paulo, Brazil.

From the Departments of Neuroradiology (J.N.R., G.T., M.C.) and Radiology (M.R.), University of North Carolina Hospital, Chapel Hill, North Carolina; Centro Hospitalar de Lisboa Central (J.N.R.), Lisbon, Portugal; Hospital Garcia de Orta (M.R.), Almada, Portugal; and Faculdade de Medicina da Universidade de São Paulo (R.S.A.), São Paulo, Brazil.

From the Departments of Neuroradiology (J.N.R., G.T., M.C.) and Radiology (M.R.), University of North Carolina Hospital, Chapel Hill, North Carolina; Centro Hospitalar de Lisboa Central (J.N.R.), Lisbon, Portugal; Hospital Garcia de Orta (M.R.), Almada, Portugal; and Faculdade de Medicina da Universidade de São Paulo (R.S.A.), São Paulo, Brazil.

From the Departments of Neuroradiology (J.N.R., G.T., M.C.) and Radiology (M.R.), University of North Carolina Hospital, Chapel Hill, North Carolina; Centro Hospitalar de Lisboa Central (J.N.R.), Lisbon, Portugal; Hospital Garcia de Orta (M.R.), Almada, Portugal; and Faculdade de Medicina da Universidade de São Paulo (R.S.A.), São Paulo, Brazil.

From the Departments of Neuroradiology (J.N.R., G.T., M.C.) and Radiology (M.R.), University of North Carolina Hospital, Chapel Hill, North Carolina; Centro Hospitalar de Lisboa Central (J.N.R.), Lisbon, Portugal; Hospital Garcia de Orta (M.R.), Almada, Portugal; and Faculdade de Medicina da Universidade de São Paulo (R.S.A.), São Paulo, Brazil.