Medicine

Courses

Body Systems

Books

USMLE Step 1

USMLE Step 2

Positive Predictive Value (PPV)

Proportion of Positive Tests that are True Positive

Which of the following most completely describes positive predictive value (PPV)?

Probability that Person with Positive Test has Disease

Positive predictive value (PPV) is most likely used to determine which of the following?

Formula

TP (True Positives)

Which of the following is the numerator in the equation used to calculate positive predictive value (PPV)?

Divided by /

Which of the following mathematical operations is most likely associated with the equation for positive predictive value (PPV)?

All Positive Test Results

In the equation for positive predictive value (PPV), (TP + FP) is used to determine which of the following?

TP + FP

Which of the following is the denominator in the equation used to calculate positive predictive value (PPV)?

Considerations

Varies Directly with Prevalence

Which of the following most closely describes the relationship between positive predictive value (PPV) and prevalence?

Negative Predictive Value (NPV)

Proportion of Negative Tests that are Truly Negative

Which of the following most completely describes negative predictive value (NPV)?

Probability that Person with Negative Test is Healthy

Negative predictive value (NPV) is most likely used to determine which of the following?

(TN) True Negatives

Which of the following is the numerator in the equation used to calculate negative predictive value (NPV)?

Which of the following mathematical operations is most likely associated with the equation for negative predictive value (NPV)?

All Negative Test Results

In the equation for negative predictive value (NPV), (FN + TN) is used to determine which of the following?

(FN + TN)

Which of the following is the denominator in the equation used to calculate negative predictive value (NPV)?

Varies Inversely with Prevalence

Which of the following most closely describes the relationship between negative predictive value (NPV) and prevalence?

Sensitivity

Rules Out

Which of the following is the purpose of Sensitivity?

Screening Test

TP / (FN+TP)

Which of the following equations is used for Sensitivity?

Characteristics

Specificity

Rules In

Which of the following is the purpose of Specificity?

Confirmatory Test

Specificity is most likely used for which of the following?

TN / (TN + FP)

Which of the following equations is used for Specificity?

Page 257 -

Learn Page 257 - in 6 - Public Health Sciences - First Aid USMLE 2019 for Medicine faster and easier with Picmonic's unforgettable images and stories! Picmonic is research proven to increase your memory retention and test scores. Start learning today for free!

Ace Your First Aid for the USMLE Step 1 2019 Classes and Exams with Picmonic: #1 Visual Mnemonic Study Tool for Medical (MD/DO) Students

First Aid for the USMLE Step 1 2019 Medical (MD/DO) School Study Aid

Ace Your Medical (MD/DO) Classes & Exams with Picmonic:

Over 870,000 students use Picmonic’s picture mnemonics to improve knowledge, retention, and exam performance.

Choose the #1 Medical (MD/DO) student study app.

Picmonic for Medicine (MD/DO) covers information that is relevant to your entire Medical (MD/DO) education. Whether you’re studying for your classes or getting ready to conquer the USMLE Step 1, USMLE Step 2 CK, COMLEX Level 1, or COMLEX Level 2, we’re here to help.

Works better than traditional Medical (MD/DO) flashcards.

Research shows that students who use Picmonic see a 331% improvement in memory retention and a 50% improvement in test scores.

It's worth every penny

Company Information

Get Picmonic and start your journey