Name: Midterm-Fall 2017 For questions 31-35, name the type of study design descr

Question

Name: Midterm-Fall 2017 For questions 31-35, name the type of study design described AND provide ONE reason to justify your answer. For those identified as a cohort study, specify retrospective or prospectve 31·16 investigate the relationship between statin use and prostat e cancer, a study was conducted with 1,051 individuals newly diagnosed with prostate cancer and 942 individuals without prostate cancer al l residing in ing County, W statin use and prostate cancer. ashington. Odds ratios were generated to estimate the relationship between history of Answer: Reason:

Explanation / Answer

Answer to the question is as follows:

Answer: Retrospective design of study

Reason: In prospective cohort studies the investigators conceive and design the study, recruit subjects, and collect baseline exposure data on all subjects, before any of the subjects have developed any of the outcomes of interest

Since , we are not designing an experiment where subjects already have developed outcomes ( here, cancer) this is not a prospective study. Here we are indepentifying cohorts , one with prostate cancer and another without prostate cancer and compare metrics between the 2 cohorts. This happens in the retrospective design of study

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