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Assume That a Certain Test for Group a Streptococcus Has

question 39

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Assume that a certain test for group A Streptococcus has reported sensitivity and specificity of 90% and 98%, respectively, and the estimated prevalence for group A Streptococcus infection in acute pharyngitis is 5%.What is the positive predictive value of this test?

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Definitions:

Income Redistribution

The transfer of income from certain individuals or groups to others through mechanisms like taxes, welfare, and public services to achieve economic equality.

Poverty Rate

The percentage of the population that lives below the national poverty line, indicating the extent of poverty in a country.

Moral Obligation

A duty which one owes, and which one ought to perform, but which he is not legally bound to fulfill.

Rawlsian Justice

A theory of distributional justice that concludes that the social contract emerging from the “original position” would call for an income distribution that would maximize the well-being of the worst-off member of society.

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