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Monthly Archives: November 2020

Principles of Diagnostic Testing Series | Part 5

Posted on November 30, 2020 by Alexis C. Thompson

Principles of Diagnostic Testing Series Part 5 – Population characteristics: Prevalence Sometimes more than one diagnostic test is conducted to increase overall test sensitivity or specificity.  For example, disease eradication programs may necessitate multiple diagnostic tests to ensure that an … Continue reading →

Posted in Animal Health, Epi Methods

Principles of Diagnostic Testing Series | Part 4

Posted on November 23, 2020 by Alexis C. Thompson

Principles of Diagnostic Testing Series Part 4 – Disease Probability  Probability is the chance that some event will happen. With disease, probability can be thought of as out a group of individuals exposed to a disease, how many will become … Continue reading →

Posted in Animal Health, Epi Methods

Principles of Diagnostic Testing Series | Part 3

Posted on November 16, 2020 by Alexis C. Thompson

Principles of Diagnostic Testing Series Part 3 – Population characteristics: Prevalence Prevalence is an estimation of an individual’s risk of having a disease at a specific point in time. Apparent prevalence, or the proportion of test-positive individuals at a specific … Continue reading →

Posted in Animal Health, Epi Methods

Principles of Diagnostic Testing Series | Part 2

Posted on November 9, 2020 by Alexis C. Thompson

Principles of Diagnostic Testing Series Part 2 – Test Characteristics: Infectious Disease Antigen and Antibody Testing Some of the most common diagnostic tests for infectious diseases detect either antigens or antibodies. An antigen is a foreign substance that elicits an … Continue reading →

Posted in Animal Health, Epi Methods

Principles of Diagnostic Testing Series | Part 1

Posted on November 2, 2020 by Alexis C. Thompson

Principles of Diagnostic Testing Series Part 1 – Test Characteristics: Sensitivity and Specificity The performance characteristics of a diagnostic test influence the circumstances that the test is most useful and how the results might be interpreted. Ideally, every diagnostic test … Continue reading →

Posted in Uncategorized
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Keywords

  • antimicrobial use
  • cattle
  • confidence interval
  • Epidemiology
  • parasites
  • population medicine
  • proportion
  • sample size
  • The Risk Project

Recent Posts

  • Common Limb Abnormality in Calves
  • Kemps Riley Sea Turtles
  • Breaking the Cycle
  • Principles of Diagnostic Testing Series | Part 5
  • Principles of Diagnostic Testing Series | Part 4

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