Category Epidemiology

case and control studies

From the hen to the egg

Case and control studies. Case and control studies, their variations, their association measures, and their absolute and relative impact measures are described. Surely someone overflowing genius has asked you on any occasion, with a smug look, what came first, the…

Classification of epidemiological studies

Which family you belong?

Classification of epidemiological studies. Classification of epidemiological studies is made according to their observational or analytical character, directionality and temporality and sampling. As we already know from previous posts, the evidence-based medicine systematics begins with a knowledge gap that moves us…

intervalo de confianza del NNT

The tribulations of an interval

NNT’s confidence interval. The calculation and interpretation of the confidence intervals of the number needed to treat are described, including the negative extremes of the interval.</p The number needed to treat (NNT) is an impact measure that tells us in…

Esta web utiliza cookies propias y de terceros para su correcto funcionamiento y para fines analíticos. Al hacer clic en el botón Aceptar, aceptas el uso de estas tecnologías y el procesamiento de tus datos para estos propósitos. Antes de aceptar puedes ver Configurar cookies para realizar un consentimiento selectivo.   
Privacidad