Negative predictive value

Jump to navigation Jump to search

WikiDoc Resources for Negative predictive value

Articles

Most recent articles on Negative predictive value

Most cited articles on Negative predictive value

Review articles on Negative predictive value

Articles on Negative predictive value in N Eng J Med, Lancet, BMJ

Media

Powerpoint slides on Negative predictive value

Images of Negative predictive value

Photos of Negative predictive value

Podcasts & MP3s on Negative predictive value

Videos on Negative predictive value

Evidence Based Medicine

Cochrane Collaboration on Negative predictive value

Bandolier on Negative predictive value

TRIP on Negative predictive value

Clinical Trials

Ongoing Trials on Negative predictive value at Clinical Trials.gov

Trial results on Negative predictive value

Clinical Trials on Negative predictive value at Google

Guidelines / Policies / Govt

US National Guidelines Clearinghouse on Negative predictive value

NICE Guidance on Negative predictive value

NHS PRODIGY Guidance

FDA on Negative predictive value

CDC on Negative predictive value

Books

Books on Negative predictive value

News

Negative predictive value in the news

Be alerted to news on Negative predictive value

News trends on Negative predictive value

Commentary

Blogs on Negative predictive value

Definitions

Definitions of Negative predictive value

Patient Resources / Community

Patient resources on Negative predictive value

Discussion groups on Negative predictive value

Patient Handouts on Negative predictive value

Directions to Hospitals Treating Negative predictive value

Risk calculators and risk factors for Negative predictive value

Healthcare Provider Resources

Symptoms of Negative predictive value

Causes & Risk Factors for Negative predictive value

Diagnostic studies for Negative predictive value

Treatment of Negative predictive value

Continuing Medical Education (CME)

CME Programs on Negative predictive value

International

Negative predictive value en Espanol

Negative predictive value en Francais

Business

Negative predictive value in the Marketplace

Patents on Negative predictive value

Experimental / Informatics

List of terms related to Negative predictive value

Assistant Editor(s)-In-Chief: Kristin Feeney, B.S.

Overview

The negative predictive value is the proportion of individuals without preclinical disease who test negative using the specified testing modality.

Worked example

Template:SensSpecPPVNPV

Definition

The Negative Predictive Value can be defined as:[1]

<math> NPV = \frac{\rm number\ of\ True\ Negatives}{{\rm number\ of\ True\ Negatives}+{\rm number\ of\ False\ Negatives}}</math>

or, alternatively,

<math> NPV = \frac{({\rm specficity}) ({\rm 1 - prevalence})}{({\rm specificity}) ({\rm 1 - prevalence}) + (1 - {\rm sensitivity}) ({\rm prevalence})} </math>

Related Chapters

References

  1. Altman DG, Bland JM (1994). "Diagnostic Tests 2 - Predictive Values". British Medical Journal. 309 (6947): 102. Unknown parameter |month= ignored (help)

Template:WH Template:WS