How would a healthcare administrator use validity, relatability, sensitivity, specificity and predictive values to deter...
Homework Answers
Health care administrator has a chief role in managing and be clear and specific be for initiating any new thing. When the screening comes to an entire community or population it is essential to know wjwhether it is worthy to conduct the test, its benefits should overweigh the negativity,it should be assessed whether it will adaffect any individual emotionally, and there should be an approximate prediction of the expected results.
For example
Conducting screening test for HIV among sex workers are sensitive for them also,every aspects has to be assessed before initiating the procedure.
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How would a healthcare administrator use validity, relatability, sensitivity, specificity and predictive values to deter...
Although the concepts of sensitivity and specificity are usually applied to diagnostic laboratory or screening tests,...
Although the concepts of sensitivity and specificity are usually applied to diagnostic laboratory or screening tests, they are equally valid for other tests that indicate the presence or absence of disease. These may be tests designed to elicit certain physical signs of disease by examination (e.g. hypertension, cervical cancer, neurological defects, and tendency to hemorrhage) or questions aimed at uncovering symptoms. Suppose that a short psychometric questionnaire that was devised to detect undiagnosed cases of personality disorder was found, after...
A new screening test for Lyme disease is developed for use in the general population. The...
A new screening test for Lyme disease is developed for use in the general population. The sensitivity and specificity of the new test are 60% and 70%, respectively. Three hundred people are screened at a clinic during the first year the new test is implemented. Assume the true prevalence of Lyme disease among clinic attendees is 10%. Calculate the following values: The predictive value of a positive test The predictive value of a negative test
Epidemiology question 3. ng the screening cut-off point affect sensitivity. specificity, PPV and NPV of the...
Epidemiology question
3. ng the screening cut-off point affect sensitivity. specificity, PPV and NPV of the test? Why? are the respective "costs" ring the screening cut-off point affect the number of false positives and false negatives associated with false positives and false negativesi ? What 5. sensitivity, PPV and NPV of the test? How would you expect raising the cut-off point to 220mg of blood glucose per 100ml to affect the specificity was repeated using the 130mg of blood glucose...
A new antibody test detects serum antibodies against virus X (sensitivity 99%, specificity 90%). When applied...
A new antibody test detects serum antibodies against virus X (sensitivity 99%, specificity 90%). When applied in a group of hospitalized patients diagnosed as having virus X infections, the test is found to have a positive predictive value of 85%. When used to screen a group of healthy blood donors for virus X infections, the test is found to have a positive predictive value of 30%. Which of the following best explains this difference between the positive predictive values? A....
a. Calculate and interpret the sensitivity of the new screening test. (Your interpretations should be limited...
a. Calculate and interpret the sensitivity of the new screening
test. (Your interpretations should be limited to one sentence.)
b. Calculate and interpret the specificity of the new screening
test.
c. Calculate and interpret the predictive value of a positive
test.
Questions 10-12 use the following information: Suppose that your company has just developed a new screening test for a disease and you are in charge of testing its validity and feasibility. You decide to evaluate the test on 1000...
validity of a test HELP answer ALL you can !! ... imagine you are a physician...
validity of a test
HELP
answer ALL you can !!
... imagine you are a physician discussing the results of a screening test with a patient. AC 1) If the test was positive, how likely is it that he really has the disease? [How worried should he be?] 2) If the test was negative, how likely is it that he really does NOT have it? (How reassured should he be?] 1) What does 1) represent? 0 1 Represents that the...
A new screening test for Lyme disease is developed for use in the general population. The...
A new screening test for Lyme disease is developed for use in the general population. The sensitivity and specificity of the new test are 65% and 75%, respectively. Four hundred people are screened at a clinic during the first year the new test is implemented. Assume the true prevalence of Lyme disease among clinic attendees is 15%. Calculate the predictive value of a negative test.
a. Calculate and interpret the sensitivity of the new screening test. (Your interpretations should be limited...
a. Calculate and
interpret the sensitivity of the new screening test. (Your
interpretations should be limited to one sentence.) Can you please
interpret this.
b. Calculate and interpret the specificity of the
new screening test. Can you please interpret this.
c. Calculate and interpret the predictive value of
a positive test. Can you please interpret this.
Questions 10-12 use the following information: Suppose that your company has just developed a new screening test for a disease and you are in...
Suppose that your company has just developed a new screening test for a disease and you...
Suppose that your company has just developed a new screening test for a disease and you are in charge of testing its validity and feasibility. You decide to evaluate the test on 1000 individuals and compare the results of the new test to the gold standard. You know the prevalence of disease in your population is 30%. The screening test gave a positive result for 292 individuals. Two hundred eighty-five (285) of these individuals actually had the disease on the...
As a nursing administrator, how will you prevent horizontal and vertical violence in nursing and healthcare?...
As a nursing administrator, how will you prevent horizontal and vertical violence in nursing and healthcare? Identify two strategies you would use as a nurse administrator to create a zero tolerance for horizontal or vertical violence.
Epidemiology question
3. ng the screening cut-off point affect sensitivity. specificity, PPV and NPV of the test? Why? are the respective "costs" ring the screening cut-off point affect the number of false positives and false negatives associated with false positives and false negativesi ? What 5. sensitivity, PPV and NPV of the test? How would you expect raising the cut-off point to 220mg of blood glucose per 100ml to affect the specificity was repeated using the 130mg of blood glucose...
a. Calculate and interpret the sensitivity of the new screening
test. (Your interpretations should be limited to one sentence.)
b. Calculate and interpret the specificity of the new screening
test.
c. Calculate and interpret the predictive value of a positive
test.
Questions 10-12 use the following information: Suppose that your company has just developed a new screening test for a disease and you are in charge of testing its validity and feasibility. You decide to evaluate the test on 1000...
validity of a test
HELP
answer ALL you can !!
... imagine you are a physician discussing the results of a screening test with a patient. AC 1) If the test was positive, how likely is it that he really has the disease? [How worried should he be?] 2) If the test was negative, how likely is it that he really does NOT have it? (How reassured should he be?] 1) What does 1) represent? 0 1 Represents that the...
a. Calculate and
interpret the sensitivity of the new screening test. (Your
interpretations should be limited to one sentence.) Can you please
interpret this.
b. Calculate and interpret the specificity of the
new screening test. Can you please interpret this.
c. Calculate and interpret the predictive value of
a positive test. Can you please interpret this.
Questions 10-12 use the following information: Suppose that your company has just developed a new screening test for a disease and you are in...
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