Lifestyle interventions — Flashcards

Flashcard 1: What is the formula used to calculate Positive Predictive Value: _____

Answer: TP / (TP + FP)

Flashcard 2: What is the formula used to calculate "Likelihood ratio for a negative test result" : _____

Answer: (1 - sensitivity) / specificity

Flashcard 3: What is the formula used to calculate Negative Predictive Value: _____

Answer: TN / (TN + FN)

Flashcard 4: In a Contigency Table what does FP mean? _____ Where the Disease is Absent and the test is Positive

Answer: False Positive

Flashcard 5: What is the formula used to calculate Sensitivity: _____

Answer: TP / (TP+FN)

Flashcard 6: Sensitivity is described as the _____

Answer: proportion of patients with the condition who have a positive test result

Extra: Sensitivity = True Positives / (True Positives + False Negatives). It measures the ability of a test to correctly identify those with the disease.

Flashcard 7: In a Contingency Table, what does FN mean?\n_____\nWhere the Disease is Present and the test is Negative

Answer: False Negative

Flashcard 8: Negative Predictive Value is described as the _____

Answer: The chance that the patient does not have the condition if the diagnostic test is negative

Flashcard 9: What is the formula used to calculate Specificity: _____

Answer: TN / (TN+FP)

Flashcard 10: What is the formula used to calculate "Likelihood ratio for a positive test result" : _____

Answer: sensitivity / (1 - specificity)