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      Validación de test diagnósticos (primera parte). Test categóricos Translated title: Validation of diagnostic tests (part one). Categorical tests

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          Abstract

          Resumen La validez de una prueba diagnóstica se refiere a la capacidad de un test de identificar correctamente como enfermo al paciente que es enfermo y como sano al que es sano. Hay que tener en cuenta que el punto de partida es la comparación entre el resultado obtenido en nuestro test diagnóstico y los resultados obtenidos por lo que consideramos prueba de referencia. En esta primera parte analizaremos conceptos como sensibilidad, especificidad y valores predictivos (positivo y negativo), así como los cocientes de probabilidad o verosimilitud.

          Translated abstract

          Abstract The validity of a diagnostic test refers to the ability of a test to correctly identify the patient who is sick as sick and the one who is healthy as healthy. It must be considered that the starting point is the comparison of the result obtained in our diagnostic test with the results obtained by what we consider to be the “gold standard” or reference test. In this first part we will analyze concepts such as sensitivity, specificity, predictive values (positive and negative), as well as probability or likelihood ratios.

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          Author and article information

          Journal
          angiologia
          Angiología
          Angiología
          Arán Ediciones S.L. (Madrid, Madrid, Spain )
          0003-3170
          1695-2987
          April 2023
          : 75
          : 2
          : 101-105
          Affiliations
          [1] Madrid orgnameHospital Clínico San Carlos España
          Article
          S0003-31702023000200101 S0003-3170(23)07500200101
          10.20960/angiologia.00473
          f8890c04-073a-4821-b760-860359b6ef7c

          This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

          History
          : 18 October 2022
          : 18 October 2022
          Page count
          Figures: 0, Tables: 0, Equations: 0, References: 0, Pages: 5
          Product

          SciELO Spain

          Categories
          Artículos Especiales

          Razón de verosimilud,Valor predictivo,Especificidad,Sensibilidad,Likelihood ratio,Predictive value,Especificity,Sensibility

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