The guard’s dilemma
Sensitivity and specificity. The concepts of sensitivity and specificity, predictive values and likelihood ratios are described, as well as the use of ROC curves.
Science without sense...double nonsense
Evidence Based Medicine pills
Science without sense...double nonsense
Evidence Based Medicine pills
Category Epidemiology
King of Kings
Randomized clinical trial. The components of parallel randomized clinical trial are described, as well as the most common design variants (crossover, sequential, community trials).
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…
One about Romans
Cohort studies. The characteristics of cohort studies, their measures of association and impact, and their most characteristic features are described.
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…