In 2020, a study was conducted by a researcher to determine the relationship between implanted medical devices and connective tissue diseases. The researcher selected 5000 individuals who had a medical device implanted between 2000 and 2002 from the medical records department of a hospital. These patients' records were followed upto the year 2019 for a diagnosis of connective tissue disease. It was observed that 20% of the individual with medical devices had developed a connective tissue disease. Identify the study design in this case.
a) Cross-sectional study
b) Case control study
c) Prospective cohort study
d) Retrospective cohort study
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Answer:
c is the correct answer
Explanation:
k
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