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Revista Archivo Médico de Camagüey
versión On-line ISSN 1025-0255
Resumen
TORRES PONS, Niurka; ROSQUETE LOPEZ, Risel; TORRES ROMO, Baldo y CARBAJALES LEON, Isabel. Free PSA / total PSA index: a tool for the early detection of prostate cancer. AMC [online]. 2007, vol.11, n.6, pp. 0-0. ISSN 1025-0255.
A cross-sectional analytic study in the clinical chemistry department at "Manuel Ascunce Domenech" University Hospital was conducted during the year 2005, the quality assurance in the analytic stage to assess the accuracy of testing methods through the application of the reproducibility as a technique of internal control was investigated with the objective to assure the quality of the tests of clinical chemistry in the central laboratory. Data were collected in registrations and were processed in a microcomputer, measures of central tendency (average) and dispersion (standard deviation and coefficient of variation) were found. Almost the totality of determinations presented coefficients of acceptable variation and adapting quality control to the conditions normalized procedures of operation and work instructions were accomplished.
Palabras clave : CHEMISTRY CLINICAL; ANALYTICAL QUALITY CONTROL.