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What is While testing the deleterious health hazards on a group of people after giving a drug and a placebo, the following results were obtained: Number of people Number of people affected Placebo 15225 1605 Drug 15225 1804 Which of the following is true? and explain in detail?
Absolute Risk Reduction(ARR) = Reduction in outcome between new drug and placebo in absolute terms Relative risk reduction(RRR)= Relative or percentage reduction in outcome between new drug and placebo. Event rate for drug(Ed)= 1804/15225 x 100= 0.118 Event rate for placebo(Ep)= 1605/15225 x 100= 0.105 ARR= Ed-Ep= 0.013=1.3% RRR= Ed-Ep/Ed= 0.013/0.118= 0.11=11%