Concordancia interobservador de hallazgos cardiopulmonares en la radiografía de tórax entre radiólogos y médicos generales de un servicio de urgencias
| Autor: | Juan Mauricio Lozano-Barriga, Felipe Aluja-Jaramillo, Héctor Mauricio Martínez-Orduz, Martín Cañón-Muñoz, Rodolfo Mantilla-Espinosa |
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| Rok vydání: | 2016 |
| Předmět: | |
| Zdroj: | CES Medicina. :169-180 |
| ISSN: | 2215-9177 0120-8705 |
| Popis: | 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 ( κ 2g ). Results: The concordance between the groups of radiologists and general practitioners in specific chest x-ray findings ( κ 2g 0.46, 95 %CI 0.43 - 0.51), image technical quality ( κ 2g 0.44; 95 %CI 0.35 – 0.53), and normality ( κ 2g 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. |
| Databáze: | OpenAIRE |
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