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NABP Exam NAPLEX Topic 7 Question 15 Discussion
Actual exam question for
NABP's
North American Pharmacist Licensure Examination exam
Question #: 15
Topic #: 7
[All North American Pharmacist Licensure Examination Questions]
Topic #: 7
In a study where Rivaroxaban was compared to Enoxaparin to find total VTE following HIP replacement surgery, there were 17 total VTE out of 1513 patients in the Rivaraoaban group and 57 total VTE out of 1473 patient in the enoxaparin group.
What is the absolute risk reduction of using Rivaroxaban over Enoxaparin?
Suggested Answer:
D
Absolute risk reduction: 0.027 = 2.7% (Event rate in enoxaparin group) -- (Event rate in rivaroxaban group) = (57/1473) -- (17/1513) = 0.02746
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