Confidence intervals for NNT/NNH US Medical PG Flashcards - Medical Study Cards
Master Confidence intervals for NNT/NNH 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.
Confidence intervals for NNT/NNH Flashcard Deck - 10 Cards
Flashcard 1: _____ are a range of values within which the true mean of the population is expected to fall, with a specified probability (usually 95%)
Answer: Confidence intervals
Flashcard 2: _____ risk is defined as the difference in risk between exposed and unexposed groups
Answer: Attributable
Flashcard 3: _____ risk reduction is the difference in risk attributable to an intervention compared to a control
Answer: Absolute
Flashcard 4: _____ risk reduction is the proportion of risk reduction attributable to an intervention compared to a control
Answer: Relative
Flashcard 5: Precision may also be referred to as _____
Answer: reliability
Flashcard 6: The number needed to harm (NNH) is equal to _____
Answer: 1/AR
Flashcard 7: If the confidence interval does not include the null value, the result is statistically _____
Answer: significant
Flashcard 8: 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 9: 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 10: 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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