SOLVED1681

A screening test for prostate cancer is developed and offered to men over 40 in a randomized clinical trial. Over several years, the intention to treat analysis indicated that among those who were referred for screening and diagnosed with prostate cancer, there was a 10% 5 year mortality rate, which was lower than the 70% 5 year mortality rate in men who were not referred for screening but diagnosed due to symptoms. Of the options given, what is the most likely reason for this finding? Group of answer choices The screening test for prostate cancer shows a clear benefit. The appearance of improvement could be due to lead time bias. Volunteer bias could have created the appearance of improvement.With screening, diagnosis is likely to be made earlier, which creates the appearance of longer survival time after diagnosis . This is an example of Group of answer choices volunteer bias length-time bias lead-time bias spectrum bias
SCIENCE
HEALTH SCIENCE
NURSING

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