A study was carried out to determine the efficacy and efficiency of the EAT-40 Test to detect eating disorders, where 2641 examinations of the EAT-40 Test were carried out and compared with the results of the gold test Bulimia Test - Revised (BULIT -R). The results obtained are the following: of those that were applied the EAT-40 Test came out normal (-) 1738, of which 1251 were healthy and of those that came out abnormal (+) in the EAT-40 Test, 634 if they were sick. What is the specificity of the test? How many false negative results were found? How many patients developed the pathology? How many patients did not develop the pathology? What is the sensitivity of the test? What is the positive predictive value of the test? How many patients tested positive?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
icon
Related questions
Question

A study was carried out to determine the efficacy and efficiency of the EAT-40 Test to detect eating disorders, where 2641 examinations of the EAT-40 Test were carried out and compared with the results of the gold test Bulimia Test - Revised (BULIT -R). The results obtained are the following: of those that were applied the EAT-40 Test came out normal (-) 1738, of which 1251 were healthy and of those that came out abnormal (+) in the EAT-40 Test, 634 if they were sick.

  1. What is the specificity of the test?
  2. How many false negative results were found?
  3. How many patients developed the pathology?
  4. How many patients did not develop the pathology?
  5. What is the sensitivity of the test?
  6. What is the positive predictive value of the test?
  7. How many patients tested positive?

 

Tabla de Contingencia
Bulimia Test-Revised (BULIT-R)
Trastorno Alimentario
Si
No
Total
Anormal
EAT-40
Normal
Total
Transcribed Image Text:Tabla de Contingencia Bulimia Test-Revised (BULIT-R) Trastorno Alimentario Si No Total Anormal EAT-40 Normal Total
Expert Solution
steps

Step by step

Solved in 4 steps

Blurred answer
Similar questions
Recommended textbooks for you
A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability
A First Course in Probability
Probability
ISBN:
9780321794772
Author:
Sheldon Ross
Publisher:
PEARSON