NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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What is the outcome unit in a cost-effectiveness analysis?

  1. Dollars

  2. Quality adjusted life year (QALY)

  3. Natural units (e.g., life-years gained)

  4. Equivalent outcomes

The correct answer is: Natural units (e.g., life-years gained)

In a cost-effectiveness analysis, the outcome unit typically focuses on the health outcomes achieved. Natural units, such as life-years gained, are commonly used as outcome units in cost-effectiveness analyses to measure the effectiveness of a healthcare intervention. Quality adjusted life years (QALYs) are also frequently used in cost-effectiveness analyses as they incorporate both the quantity and quality of life lived. While dollars are involved in cost-effectiveness analyses to assess the cost aspect, they are not the outcome unit but rather the input. Similarly, "equivalent outcomes" do not represent a standard outcome unit in cost-effectiveness analyses.