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Principles Of Pharmacology Med Assist
6th Edition
ISBN:9781337512442
Author:RICE
Publisher:RICE
Chapter5: Calculating Adult Dosages: Oral And Parenteral Forms
Section: Chapter Questions
Problem 11SA
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Please calculate sensitivity, specificity,
positive predictive value, negative predictive
value, Youden index.
1, A doctor conducted a diagnostic test of plasma oxidized low-density lipoprotein (Ox-LDL) on 200 patients with
coronary heart disease and 300 normal people, and coronary angiography was the "gold standard". Ox-LDL level
>45.8U/L was regarded as the positive cut-off value for diagnosis. The results are shown in the table below.
Table 1 Ox-LDL diagnostic test results of 200 patients with coronary heart disease and 300 normal people
coronary angiography
Diagnosed Ox-LDL level (>45. 8U/L)
coronary heart
total
normal
disease
150
100
250
50
200
250
total
200
300
500
Please calculate sensitivity, specificity, positive predictive value, negative predictive value, Youden index.
Transcribed Image Text:Please calculate sensitivity, specificity, positive predictive value, negative predictive value, Youden index. 1, A doctor conducted a diagnostic test of plasma oxidized low-density lipoprotein (Ox-LDL) on 200 patients with coronary heart disease and 300 normal people, and coronary angiography was the "gold standard". Ox-LDL level >45.8U/L was regarded as the positive cut-off value for diagnosis. The results are shown in the table below. Table 1 Ox-LDL diagnostic test results of 200 patients with coronary heart disease and 300 normal people coronary angiography Diagnosed Ox-LDL level (>45. 8U/L) coronary heart total normal disease 150 100 250 50 200 250 total 200 300 500 Please calculate sensitivity, specificity, positive predictive value, negative predictive value, Youden index.
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