NNT in prevention vs treatment US Medical PG Flashcards - Medical Study Cards
Master NNT in prevention vs treatment with OnCourse flashcards. These spaced repetition flashcards are designed for medical students preparing for NEET PG, USMLE Step 1, USMLE Step 2, MBBS exams, and other medical licensing examinations.
NNT in prevention vs treatment Flashcard Deck - 8 Cards
Flashcard 1: What equation is used to calculate attributable risk using the table below?_____
Answer:
Flashcard 2: _____ risk reduction is the difference in risk attributable to an intervention compared to a control
Answer: Absolute
Flashcard 3: The number needed to harm (NNH) is equal to _____
Answer: 1/AR
Flashcard 4: Cumulative incidence = (# of new cases over a specific period) / (number of people at risk at the _____ of the period)
Answer: beginning
Flashcard 5: Relative risk reduction is equal to _____
Answer: 1 - relative risk
Flashcard 6: attributable risk/absolute risk reduction (epidemiology)
Answer: the difference in risk between exposed and unexposed groups (attributable risk used for risk-enhancing factors ARR used for risk-reducing interventions)
Flashcard 7: number needed to harm (NNH) (epidemiology)
Answer: The number of patients who must be exposed in order to cause 1 event.
Extra: NNH = 1/attributable risk
Flashcard 8: number needed to treat (NNT) (epidemiology)
Answer: The number of patients who must be treated in order to prevent 1 event.
Extra: NNT = 1/absolute risk reduction
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