Computational methods for comparing two binary diagnostic tests in the presence of partial verification of the disease
In the presence of partial verification of the disease, confidence interval estimation for the difference of sensitivities and specificities cannot be carried out by applying confidence intervals for the difference of binomial proportions, and the comparison of the accuracy of the two binary tests c...
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| Veröffentlicht in: | Computational statistics 2009-12, Vol.24 (4), p.695-718 |
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| creator | Roldán Nofuentes, J. A. Luna del Castillo, J. D. Femia Marzo, P. |
| description | In the presence of partial verification of the disease, confidence interval estimation for the difference of sensitivities and specificities cannot be carried out by applying confidence intervals for the difference of binomial proportions, and the comparison of the accuracy of the two binary tests cannot be carried out by applying McNemar’s test. In this article we propose two methods for comparing the accuracy of two binary tests in the presence of partial verification of the disease. The first method is based on the application of the EM and SEM algorithms, and the second method consists of the calculation of confidence intervals for the difference in sensitivities and specificities applying confidence intervals for the difference in the two binomial proportions from the last table obtained applying the EM algorithm. We carried out simulation experiments in order to study and compare the coverage of several confidence intervals for the difference of the sensitivities and specificities. |
| doi_str_mv | 10.1007/s00180-009-0155-y |
| format | Article |
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The first method is based on the application of the EM and SEM algorithms, and the second method consists of the calculation of confidence intervals for the difference in sensitivities and specificities applying confidence intervals for the difference in the two binomial proportions from the last table obtained applying the EM algorithm. 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| subjects | Accuracy Bias Computer programming Computer simulation Diagnostic tests Economic Theory/Quantitative Economics/Mathematical Methods Mathematics and Statistics Methods Original Paper Patients Probability Probability and Statistics in Computer Science Probability Theory and Stochastic Processes Random variables Statistics Studies |
| title | Computational methods for comparing two binary diagnostic tests in the presence of partial verification of the disease |
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