Impact of the program of external quality assessment in clinical chemistry in mexico from 2004 to 2008 [Impacto del programa de evaluación externa de la calidad en química clínica en méxico de 2004 a 2008]
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abstract
The impact of the External Quality Assessment Program, applicable to clinical laboratories in the area of Clinical Chemistry in Mexico, was studied, based on laboratory results during the March 2008-February 2009 cycle and the 2004-2008 period, through analytical, longitudinal, retrospective analyses of the results obtained by the laboratories that participated in the External Quality Assessment Program of the School of Chemical Sciences of Universidad Autónoma de San Luis Potosí. Statistical analysis was performed with Microsoft® OfBce Excel and Epi Info™ programs. The percentage of clinical laboratories with acceptable performance (excellent and good) by analyte during the evaluation cycle in March 2008-February 2009 was 75%25 to 82%25, which increased when automated and semi-automated methods were used. For the 2004-2008 period, the laboratories, in 2004, had 3.02 times greater risk of not qualifying with acceptable performance (p<0.05) than in 2008. In conclusion, the External Quality Assessment of the School of Chemical Sciences of Universidad Autónoma de San Luis Potosí has had a strong impact on the overall performance of clinical laboratories, which ensures the latter%27s quality.
The impact of the External Quality Assessment Program, applicable to clinical laboratories in the area of Clinical Chemistry in Mexico, was studied, based on laboratory results during the March 2008-February 2009 cycle and the 2004-2008 period, through analytical, longitudinal, retrospective analyses of the results obtained by the laboratories that participated in the External Quality Assessment Program of the School of Chemical Sciences of Universidad Autónoma de San Luis Potosí. Statistical analysis was performed with Microsoft® OfBce Excel and Epi Info™ programs. The percentage of clinical laboratories with acceptable performance (excellent and good) by analyte during the evaluation cycle in March 2008-February 2009 was 75%25 to 82%25, which increased when automated and semi-automated methods were used. For the 2004-2008 period, the laboratories, in 2004, had 3.02 times greater risk of not qualifying with acceptable performance (p<0.05) than in 2008. In conclusion, the External Quality Assessment of the School of Chemical Sciences of Universidad Autónoma de San Luis Potosí has had a strong impact on the overall performance of clinical laboratories, which ensures the latter's quality.
