A study is conducted to investigate the use of a technique called radionuclide venticulography as a...

A study is conducted to investigate the use of a technique called radionuclide venticulography as a test for detecting coronary artery disease. The results are tabulated below.

Screening Test CAD No CAD

Positive 302 80

Negative 179 372

What is the sensitivity of the screening test? Please record your answer as a decimal, not a percent and round to two decimal places.

Expert Solution

A study is conducted to investigate the use of a technique called radionuclide venticulography as a test for detecting coronary artery disease. The results are tabulated below.

Screening Test	CAD	No CAD	Total
Positive	302	80	382
Negative	179	372	551
Total	481	452	933

What is the sensitivity of the screening test? Please record your answer as a decimal, not a percent and round to two decimal places.

The sensitivity of a clinical test refers to the ability of the test to correctly identify those patients with the disease.

Sensitivity = True Positive Fraction = P(Screen Positive | Disease) =302/481 =0.627858628

=0.63 ( two decimals)

orchestra answered 2 years ago

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