Which of the Following Best Defines Lead-Time Bias

question 111

Multiple Choice

Which of the following best defines lead-time bias?

• A) The screening test looks better than it actually is because younger, healthier people are more likely to get the test.
• B) Screening identifies an illness that would not have shown clinical signs before death from other causes.
• C) Slow-progressing cases of disease with a better prognosis are more likely to be identified than faster-progressing cases of disease with a poorer prognosis. Thus, cases diagnosed through screening tend to have a better prognosis than the average of all cases.
• D) Difference in the time between the date of diagnosis with screening and the date of diagnosis without screening, which, if counted in the survival time of patients, will give a misleading picture of the benefits of treatment

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Individuals employed in the automotive industry, involved in the design, production, or assembly of automobiles.

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