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.
Science without sense...double nonsense
Evidence Based Medicine pills
Science without sense...double nonsense
Evidence Based Medicine pills
Read MoreThe turn of the screw
The table
Contingency tables. Contingency tables are described for the most common studies: cross-sectional, case-control, and cohort studies.
Residuals management
Residuals. The calculation of the residuals of a contingency table is shown, using the observed and expected values.
The poor relations
Prediction intervals. Other intervals less known than the confidence interval are described, such as the prediction intervals and the tolerance intervals.
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.