Reproducibility of clinical measurements

Authors

  • Claudia Marcela Rojas Universidad del Cauca
  • Jorge Puerta Universidad del Cauca
  • Julio Gómez Universidad del Cauca
  • José Andrés Calvache Universidad del Cauca

DOI:

https://doi.org/10.25054/rfs.v8i1.1335

Keywords:

Validity, reliability, reproducibility, agreement, concordance

Abstract

In the clinical setting as in research there is great interest in ensuring the quality of measurings as a basis for decision making. The quality of a measurement depends of two properties: The validity and reliability. While the validity expresses the degree of the measurement of the phenomenon of interest, the accuracy of a measurement is evaluated calculating the reproducibility of multiple measurements. This paper discusses the concepts of validity and reliability of a measurement and its clinical and epidemiological interpretation. Additionally discusses concepts of statistical agreement, concordance and correlation and presents a brief summary of the available methods for assessing the reproducibility both numerical and graphical.

Author Biographies

Claudia Marcela Rojas, Universidad del Cauca

Médico residente del programa de Anestesiología. Facultad Ciencias de la Salud

Jorge Puerta, Universidad del Cauca

Médico residente del programa de Anestesiología. Facultad Ciencias de la Salud

Julio Gómez, Universidad del Cauca

Médico residente del programa de Anestesiología. Facultad Ciencias de la Salud

José Andrés Calvache, Universidad del Cauca

Profesor Facultad Ciencias de la Salud, Departamento de Anestesiología. Erasmus University Medical Centre, Department of Anesthesiology, Rotterdam, The Netherlands.

References

PITA S, PÉRTEGA S, RODRÍGUEZ E. La fiabilidad de las mediciones clínicas: El análisis de concordancia para variables numéricas. Cuadernos de atención primaria. 2003;10(4):290–6.

HULLEY SB, CUMMINGS SR, BROWNER WS, GRADY DG, NEWMAN TB. Designing Clinical Research. Lippincott Williams & Wilkins; 2013. 378 p.

BARTLETT JW, FROST C. Reliability, repeatability and reproducibility: analysis of measurement errors in continuous variables. Ultrasound Obstet Gynecol. 2008 Apr;31(4):466–75.

CORTÉS É, RUBIO J, GAITÁN H. Statistical methods for evaluating diagnostic test agreement and reproducibility. Rev Colomb Obstet Ginecol. 2010;61(3):247–55.

BARTON B PJ. Medical Statistics: A Guide to SPSS, Data Analysis and Critical Appraisal. 2nd ed. 2014. (BJM Books).

SHROUT PE, FLEISS JL. Intraclass correlations: uses in assessing rater reliability. Psychol Bull. 1979 Mar;86(2):420–8.

SZKLO M, NIETO F. Epidemiology: Beyond the Basics. 3rd ed. Jones and Bartlett.; 2014.

BLAND M, ALTMAN D. Statistical Methods For Assessing Agreement Between Two Methods Of Clinical Measurement. Lancet. 986;327.

BLAND JM, ALTMAN DG. Measuring agreement in method comparison studies. Stat Methods Med Res. 1999 Jun;8(2):135–60.

How to Cite

Rojas, C. M., Puerta, J., Gómez, J., & Calvache, J. A. (2016). Reproducibility of clinical measurements. RFS Revista Facultad De Salud, 8(1), 42–47. https://doi.org/10.25054/rfs.v8i1.1335

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Published

2016-01-02

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Artículos de revisión
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