A DVT (deep vein thrombosis) clinic had 320 persons appearing for lower extremities Doppler ultrasound study. If 48 out of 80 subjects with DVT tested positive for the DVT, and 228 out of 240 without DVT tested negative Calculate the following Sensitivity Specificity False positive False negative Positive predictive value (PPV) What does this PPV mean
A DVT (deep vein thrombosis) clinic had 320 persons appearing for lower extremities Doppler ultrasound study. If 48 out of 80 subjects with DVT tested positive for the DVT, and 228 out of 240 without DVT tested negative Calculate the following Sensitivity Specificity False positive False negative Positive predictive value (PPV) What does this PPV mean
Chapter8: Introduction To Cpt Coding
Section: Chapter Questions
Problem 1CPTS
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Question
A DVT (deep vein thrombosis) clinic had 320 persons appearing for lower extremities Doppler ultrasound study. If 48 out of 80 subjects with DVT tested positive for the DVT, and 228 out of 240 without DVT tested negative
Calculate the following
- Sensitivity
- Specificity
- False positive
- False negative
- Positive predictive value (PPV)
- What does this PPV mean
- Negative predictive value (NPV)
- What does this NPV here mean
- The prevalence of DVT
- What is the 2 x 2 contingency table
- What is the difference between prevalence with regard to PPV and NPV?
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