Evidence Based Medicine pills
Evidence Based Medicine pills
Multivariate analysis. Multivariate analysis is the set of statistical procedures that simultaneously study various characteristics of the same subject or entity, in order to analyze the interrelation that may exist among all the random variables that these characteristics represent. The…
Sample size in survival studies. When calculating the sample size in survival studies, the determining factor is not the difference in an effect measure between the two groups, but the number of events expected in each of them. The calculation…
The least squared method. The least squares method calculates the coefficients of the regression lines to obtain the one that is closest, on average, to all the points.
Calculation of NNT in meta-analysis. The calculation of NNT (number needed to treat) in meta-analysis is described using RR and OR, which are more robust against variability in baseline risk.