Interobserver agreement of cardiothoracic diseases in chest radiography between radiologists and general practitioners

Authors

  • Felipe Aluja Jaramillo Fundación Universitaria Sanitas
  • Martín Cañón Muñoz Profesor Hora-Catedra, Universidad Icesi, Facultad de Ciencias de la Salud, Departamento de Salud Pública y Medicina Comunitaria.
  • Rodolfo Mantilla Espinosa Fundación Universitaria Sanitas, Clínica Universitaria Colombia
  • Hector Mauricio Martínez Orduz Fundación Universitaria Sanitas, Clínica Universitaria Colombia
  • Juan Mauricio Lozano Barriga Fundación Universitaria Sanitas, Clínica Universitaria Colombia

Abstract

Objective: To estimate the inter-observer agreement between two independent groups of Radiologists and General Practitioners in the identification of cardiopulmonary findings via standard plain chest radiographs in adults. Materials and Methods: Two groups of independent raters (Radiologists, n=2; General Practitioners, n=5) analyzed 100 chest radiographs according to the technical quality, normality, and 5 specific findings. Cardiopulmonary findings were registered via a script concordance-like test. We calculated agreement between groups with Vanbelle’s kappa coefficient (κ2g). Results: The concordance between the groups of radiologists and general practitioners in specific chest x-ray findings (κ2g 0.46, 95  %CI 0.43 - 0.51), image technical quality (κ2g 0.44; 95  %CI 0.35 – 0.53), and normality (κ2g 0.58; 95  %CI 0.44 – 0.72) was weak. Prevalence indices were high in the analysis of chest x-ray normality (min. – max.: 0.59 – 0.85). Conclusions: Kappa coefficients in the determination of normality could have been biased downward due to high prevalence indices. Short time of training in radiology and experience in the field could account for low agreement between the groups.

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Author Biographies

Felipe Aluja Jaramillo, Fundación Universitaria Sanitas

Médico Residente Radiología e Imágenes Diagnósticas, Fundación Universitaria Sanitas

Martín Cañón Muñoz, Profesor Hora-Catedra, Universidad Icesi, Facultad de Ciencias de la Salud, Departamento de Salud Pública y Medicina Comunitaria.

Médico Epidemiólogo, Profesor Hora-Catedra, Universidad Icesi, Facultad de Ciencias de la Salud, Departamento de Salud Pública y Medicina Comunitaria.

Rodolfo Mantilla Espinosa, Fundación Universitaria Sanitas, Clínica Universitaria Colombia

Médico Radiólogo, Profesor de Radiología e imágenes diagnósticas, Fundación Universitaria Sanitas

Hector Mauricio Martínez Orduz, Fundación Universitaria Sanitas, Clínica Universitaria Colombia

Médico Radiólogo, Profesor de Radiología e imágenes diagnósticas, Fundación Universitaria Sanitas

Juan Mauricio Lozano Barriga, Fundación Universitaria Sanitas, Clínica Universitaria Colombia

Médico Radiólogo Intervencionista, Profesor de Radiología e imágenes diagnósticas, Fundación Universitaria Sanitas

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Published

2016-11-30

How to Cite

Aluja Jaramillo, F., Cañón Muñoz, M., Mantilla Espinosa, R., Martínez Orduz, H. M., & Lozano Barriga, J. M. (2016). Interobserver agreement of cardiothoracic diseases in chest radiography between radiologists and general practitioners. CES Medicina, 30(2), 169–180. Retrieved from https://revistas.ces.edu.co/index.php/medicina/article/view/3504

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Artículo original de investigación científica o tecnológica
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