The sun is not hurried by early risers
Preventive trials biases. Preventive trials require more time to be performed because participants are healthy people, so they are at risk of specific biases.
Science without sense...double nonsense
Evidence Based Medicine pills
Science without sense...double nonsense
Evidence Based Medicine pills
Category Epidemiology
Do it with sensitivity
Sensitivity analysis. Sensitivity analysis allows assessing the effect on the results of the type of data used, the absent or extreme values, among others.
The turn of the screw
Youden’s index. Youden’s index or accuracy index is described, as well as the number needed to diagnose and the number needed to misdiagnose.
The table
Contingency tables. Contingency tables are described for the most common studies: cross-sectional, case-control, and cohort studies.
Even non-significant Ps have a little soul
Clinical relevance. We describe how the clinical relevance of the results of a study should be assessed, without being limited only to their statistical significance.