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Epidemiology Exam - Understanding Person-Time and Diagnostic Test Metrics With complete solution–Expert Verified | Latest Questions 2025

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Epidemiology Exam - Understanding Person-Time and Diagnostic Test Metrics With complete solution–Expert Verified | Latest Questions 2025

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Epidemiology Exam - Understanding Person-Time and
Diagnostic Test Metrics With complete solution–Expert
Verified | Latest Questions 2025


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


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


Cohort Studies - Research design following subjects over time.


Sensitivity - True positive rate of a diagnostic test.


Specificity - True negative rate of a diagnostic test.


Positive Predictive Value (PPV) - Probability that positive test indicates disease
presence.


Negative Predictive Value (NPV) - Probability that negative test indicates disease
absence.


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


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


False Negative (FN) - Cases incorrectly identified as disease-free.

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