Question 68 · LEK · Diagnostic sensitivity and specificity
Let us assume that a new screening test was prepared to detect ovarian cancer. The chart below shows the frequency of its results. Which of the following is true if we take as a referential value the result of 0-30 µg/dL?

- A. test is in 100% specific.
- B. test is in 100% sensitive.
- C. some healthy women will have a false-positive result.
- D. all women with cancer will have a positive result.
- E. all women with cancer will have a negative result.
Hint
Check where all the healthy women's results lie relative to 30 µg/dL and where the curve for women with cancer begins.
The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.
More questions on Public health
- Factors which influence health according to Lalonde’s concept do not include:
- Morbidity rate reaches higher values if:
- What kind of prophylaxis is mass screening according to Bogdan Kleczkowski?
- In the formula for calculating the specificity of the test, the following number of results is entered in the numerator of the fraction:
- For a dataset, the median is the value which:
- The information stating that “in Poland, in week 45 of the year 2020, the total number of deaths among the persons infected with SARS-CoV-2 was…