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Exam (elaborations)

Understanding Person-Time and Diagnostic Test Metrics Exam Questions and Answers 100% Pass

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Understanding Person-Time and Diagnostic Test Metrics Exam Questions and Answers 100% Pass

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Uploaded on
September 28, 2025
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Written in
2025/2026
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Exam (elaborations)
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Questions & answers

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  • understanding person time and diagnostic test metr

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Understanding Person-Time and
Diagnostic Test Metrics Exam
Questions and Answers 100% Pass



Incidence - ANSWER-New cases of disease in a specific time period.

Person-Time Estimate - ANSWER-Calculation of total time at risk for subjects.

Cohort Studies - ANSWER-Research design following subjects over time.

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

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

Positive Predictive Value (PPV) - ANSWER-Probability that positive test indicates

disease presence.

Negative Predictive Value (NPV) - ANSWER-Probability that negative test

indicates disease absence.

True Positive (TP) - ANSWER-Correctly identified cases of disease.

False Positive (FP) - ANSWER-Incorrectly identified cases as having disease.




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