Screening: Terms & Calculations Flashcards
“If I don’t have cancer, will I definitely get a negative result?”
What is the technical term for what she is describing?
How do you calculate it?
Specificity
True negatives / true negatives + false positives
“Say the mammogram is positive. Does that definitely mean I have breast cancer?”
What is the technical term for what she is describing?
How do you calculate it?
Positive predictive value
True positives / true positives + false negatives
“If the mammogram is negative, am I definitely in the clear?”
What is the technical term for what she is describing?
Negative predictive value
True negatives / true negatives + false negatives
“Will the mammogram test really find breast cancer if I do have it?”
What is the technical term for what she is describing?
How do you calculate it?
Sensitivity
True positives / true positives + false negatives
