Asked by Berry Moise on Sep 22, 2024
Verified
Epidemiologists decided to investigate the validity of new diagnostic tool for breast cancer.They used this new diagnostic tool for breast cancer in 150 women with biopsy-proven breast cancer in 300 age- and race-matched control women.The results of the new tool were positive in 136 cases and in 35 control women,all of whom showed no evidence of cancer at biopsy.What is the sensitivity of new diagnosis tool for breast cancer?
A) 9%
B) 12%
C) 33%
D) 91%
E) 88%
Sensitivity
The ability of a test to correctly identify individuals who have a given disease or condition, represented as the percentage of true positives accurately identified.
Biopsy-Proven
Confirmation of a disease or condition by examining tissue samples removed from a living body.
Diagnostic Tool
An instrument or method used for identifying the nature or cause of a particular phenomenon, often related to health conditions.
- Achieve proficiency in computing and understanding sensitivity, specificity, and the predictive values associated with diagnostic examinations.
Verified Answer
RA
Rukaiya Aziz Raka 15114910305 days ago
Final Answer :
D
Explanation :
The sensitivity of the new diagnostic test is the number of positive cases among cases divided by the number of total cases,which equals 136 divided by 150.The sensitivity is 91%.
Learning Objectives
- Achieve proficiency in computing and understanding sensitivity, specificity, and the predictive values associated with diagnostic examinations.