758740
Description
Quiz by gina_evans0312, updated more than 1 year ago
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Created by gina_evans0312
about 10 years ago
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Question 1
Question
Sensitivity- Ability of test to correctly identify those with disease x
Answer
- True
- False
Question 2
Answer
-
(a/a+c) x 100
-
(a/a+b) x 100
Question 3
Question
Specificity
Answer
-
Ability of new test to correctly identify those without disease
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Test that best predicts disease prevalence
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Probability that person with +ve result has disease
Question 4
Question
The gold standard is the test that best predicts disease prevalence
Answer
- True
- False
Question 5
Question
Negative predictive value (probability that person with -ve result has the disease) =?
Answer
-
(d/c+d)
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(d/b+d)
Question 6
Question
When identifying people with a very high risk disease, what tests do you use, and in what order?
Answer
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First one that's highly sensitive (so we don't miss anyone who does have it) and then one that's highly specific to remove those that don't
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First one that's highly specific (to not worry people who don't have it unecessarily) then one that's highly sensitive
Question 7
Question
Prevalence = Those with disease/Total population
Answer
- True
- False
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