Prevention: better than cure?

3 important questions on Prevention: better than cure?

efficacy of a treatment

the ability of a treatment to achieve the desired result in patients that are compliant

Absolute risk reduction 

the difference in absolute risk between treatment and the placebo group
ARR= AR(placebo) - AR(treatment); the absolute risk is ARR lower after treatment compared to placebo

 

intention to treat analysis

data from all patients, including from them who withdraw during the study or were not compliant , is included in the statistical analysis

 

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