Understanding Sensitivity, Specificity, and Predictive Values Exam Questions and Answers 100% Pass

Understanding Sensitivity, Specificity,
and Predictive Values Exam Questions
and Answers 100% Pass


Sensitivity - ANSWER-True positive rate of a diagnostic test.

Specificity - ANSWER-True negative rate of a diagnostic test.

ROC Curve - ANSWER-Graph plotting sensitivity vs. 1-specificity.

Positive Predictive Value (PPV) - ANSWER-Probability patient has disease given

positive test.

Negative Predictive Value (NPV) - ANSWER-Probability patient does not have

disease given negative test.

Disease Prevalence - ANSWER-Frequency of a disease in a population.

False Positive Rate - ANSWER-Proportion of negatives incorrectly identified as

positives.

False Negative Rate - ANSWER-Proportion of positives incorrectly identified as

negatives.

Likelihood Ratio (LR) - ANSWER-Ratio of false negative rate to specificity.


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