What are the principal measures of screening test validity?

Question

What are the principal measures of screening test validity? How do you calculate the four parameters of screening test validity? What is predictive value dependent on?

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PubH 6003­Principles and Practice of Epidemiology                        Worksheet for Lecture on Screening (Week 8)   PART 1: RELATIONSHIP BETWEEN DISEASE PREVALENCE, TEST SPECIFICITY            AND SENSITIVITY, AND PREDICTIVE VALUE (PV)   Calculation of Test Sensitivity, Specificity, Predictive Value Positive (PV+), and Predictive   Value Negative (PV­)  The principle measures of screening test validity are the ones mentioned above. Sensitivity  answers the question “if I have the disease, what is the likelihood that I will test positive?”   Specificity answers the question “if I don’t have the disease, what is the likelihood that I will test negative for it?” PV+ answers the question “if I test positive for the diseas

What are the principal measures of screening test validity?

What are the principal measures of screening test validity?
Description

School: George Washington University

Department: Engineering

Course: Introduction to Epidemiology

Professor: Keri apostle

Term: Fall 2016

Tags: Epidemiology, bias, confounding, standardization, indirectstandardization, study, studydesign, effectmodifiers, and variables

Cost: 25

Name: Introduction to Epidemiology Course Worksheets and Notes

Description: These notes not only cover the course, but includes worksheets on: Calculating Rates, Indirect Standardization, Study Designs, Differences between Bias and Confounding, plus more.

Uploaded: 09/01/2016

What are the principal measures of screening test validity?

What are the principal measures of screening test validity? Description

School: George Washington University

Department: Engineering

Course: Introduction to Epidemiology

Professor: Keri apostle

Term: Fall 2016

Tags: Epidemiology, bias, confounding, standardization, indirectstandardization, study, studydesign, effectmodifiers, and variables

Cost: 25

Name: Introduction to Epidemiology Course Worksheets and Notes

Description: These notes not only cover the course, but includes worksheets on: Calculating Rates, Indirect Standardization, Study Designs, Differences between Bias and Confounding, plus more.

Uploaded: 09/01/2016

What are the principal measures of screening test validity?
Description