can someone please help with this. Any ideas?
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25 Jun 2024
calculating PPV from specificty and sensitivity
Question:
A large epidemiological study investigating the prevalence of an autoimmune disease is being conducted. Based on prior studies, the researchers know the disease prevalence in the population is approximately 0.5%. They are using a diagnostic test with a sensitivity of 95% and specificity of 98%. What is the positive predictive value of the test in this population?
Options:
A)Approximately 50%
B)Approximately 20%
C)Approximately 2%
D)Approximately 1%
E)Less than 1%
calculating PPV from specificty and sensitivity
Question:
A large epidemiological study investigating the prevalence of an autoimmune disease is being conducted. Based on prior studies, the researchers know the disease prevalence in the population is approximately 0.5%. They are using a diagnostic test with a sensitivity of 95% and specificity of 98%. What is the positive predictive value of the test in this population?
Options:
A)Approximately 50%
B)Approximately 20%
C)Approximately 2%
D)Approximately 1%
E)Less than 1%