13th February 2024

In a randomised controlled trial, 150 of the 350 participants lost >5kg after taking Drug A for three months.

In a randomised controlled trial, 150 of the 350 participants lost >5kg after taking Drug A for three months. In the control arm, 50 of the 400 participants lost >5kg after taking a placebo for the same period. 

What is the absolute risk difference and relative risk reduction, respectively, of taking Drug A over the placebo?