MRCOG Part 2 – Free Library – Biostatistics – SBA
MRCOG Part 2 – Free Library – Biostatistics – SBA
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Question 1 of 2
1. Question
1. A psychiatrist devised a short screening test for depression. An independent blind comparison was made with a gold standard for diagnosis of depression among 200 psychiatric outpatients. Among the 50 outpatients found to be depressed according to the gold standard, 35 patients were positive for the test. Among 150 patients found not to be depressed according to the gold standard, 30 patients were found to be positive for the test. What is the test’s sensitivity?
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Question 2 of 2
2. Question
2. A psychiatrist devised a short screening test for depression. An independent blind comparison was made with a gold standard for diagnosis of depression among 200 psychiatric outpatients. Among the 50 outpatients found to be depressed according to the gold standard, 35 patients were positive for the test. Among 150 patients found not to be depressed according to the gold standard, 30 patients were found to be positive for the test. What is the test’s specificity?
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