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Positive and negative predictive values

The positive and negative predictive values (PPV and NPV respectively) are the proportions of positive and negative results in statistics and diagnostic tests that are true positive and true negative results, respectively. The PPV and NPV describe the performance of a diagnostic test or other statistical measure. A high result can be interpreted as…

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Definition

Gold standard False positive Sensitivity, and specificity False discovery rate False negative

8 related topics

Problems

Likelihood ratio Post-test probabilities Prevalence threshold Sore throat

4 related topics

Overview

Statistics Diagnostic tests True positive True negative True positive rate

12 related topics

Topics to explore

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Overview

Statistics Predictive value of tests
Diagnostic tests Diagnostic test
True positive
True negative
True positive rate
True negative rate
Prevalence
Bayes' theorem
Post-test probability Pre- and post-test probability
Pre-test probability
Information retrieval
Precision Precision and recall

Definition

Gold standard Gold standard (test)
False positive
Sensitivity, and specificity Sensitivity and specificity
False discovery rate
False negative
Cross-sectional study
Case-control studies Case-control study
Fecal occult blood

Problems

Likelihood ratio Likelihood ratios in diagnostic testing
Post-test probabilities
Prevalence threshold
Sore throat

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Map overview Semantic statistics

Positive and negative predictive values

Nodes28

Edges27

Triples4

Avg. degree1.93

Density0.071429

Components1

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Positive and negative predictive values

Top relations

related to Relationship · 3

Positive and negative predictive values → In, Note, The

Important terminology Word statistics

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Important terminology

ppv predictive positive prevalence value test negative npv used probability disease result true control sensitivity specificity also individual target false

Entity relationships Subject–Predicate–Object triples

Subject	Predicate	Object	Confidence	Src
a virus	instance of	Sore throats occurring in these individuals are caused by other agents	0.80	text
Positive and negative predictive values	related to Relationship	The	0.60	section
Positive and negative predictive values	related to Relationship	Note	0.60	section
Positive and negative predictive values	related to Relationship	In	0.60	section

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