Questions 1-5. Estimate sensitivity, specificity, positive predictive value, negative predictive value and prevalence from data in the 2 x 2 table for an infectious disease and Its diagnostic test. Status Disease Present Disease Absent Marginal Total Test Positive 57 14 61 Test Negative 43 96 139 Marginal Total 100 100 200 2. Specificity 96 % 57 % 69 % 50 % 93%

MATLAB: An Introduction with Applications
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Questions 1-5. Estimate sensitivity, specificity, positive predictive value, negative predictive value and
prevalence from data in the 2 x 2 table for an infectious disease and Its diagnostic test.
Status
Disease Present
Disease Absent
Marginal Total
Test Positive
57
4
61
Test Negative
43
96
139
Marginal Total
100
100
200
2. Specificity
96 %
57 %
69%
50 %
93%
Transcribed Image Text:Questions 1-5. Estimate sensitivity, specificity, positive predictive value, negative predictive value and prevalence from data in the 2 x 2 table for an infectious disease and Its diagnostic test. Status Disease Present Disease Absent Marginal Total Test Positive 57 4 61 Test Negative 43 96 139 Marginal Total 100 100 200 2. Specificity 96 % 57 % 69% 50 % 93%
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