How evidence is measured
Clinical trials, placebo and critical reading
Essential concepts for interpreting studies on osteoarthritis treatments: design, biases, magnitude and certainty.
In this category
What a clinical trial is
Methodological concept: what a clinical trial is.
Randomisation
Methodological concept: randomisation.
Blinding
Methodological concept: blinding.
Placebo
Methodological concept: placebo.
Contextual effects
Methodological concept: contextual effects.
Regression to the mean
Methodological concept: regression to the mean.
Efficacy and effectiveness
Methodological concept: efficacy and effectiveness.
Statistical significance
Methodological concept: statistical significance.
Clinical relevance
Methodological concept: clinical relevance.
Confidence intervals
Methodological concept: confidence intervals.
Biases
Methodological concept: biases.
Subgroup analyses
Methodological concept: subgroup analyses.
Systematic reviews
Methodological concept: systematic reviews.
Meta-analyses
Methodological concept: meta-analyses.
Certainty of evidence
Methodological concept: certainty of evidence.
Conflicts of interest
Methodological concept: conflicts of interest.
Publication bias
Methodological concept: publication bias.