Intended for healthcare professionals

  1. Education
  2. Distributions
  3. Distributions
Endgames Statistical question

Distributions

BMJ 2008; 337 doi: https://doi.org/10.1136/bmj.a202 (Published 08 October 2008) Cite this as: BMJ 2008;337:a202
  1. John Fletcher, clinical epidemiologist
  1. 1BMJ, London WC1H 9JR
  1. jfletcher{at}bmj.com

    One hundred and fifty men are asked if they have hypertension or normal blood pressure. They then have their blood pressure formally assessed according to guidelines. Consider the distribution of participants in the table⇓. Calculate the sensitivity, specificity, positive predictive value, and negative predictive value of self reported blood pressure.

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    Answer

    • Sensitivity = 80/83 (96%)

    • Specificity …

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