Biostats

Question 1

_______ = Percentage of patients with disease who will be correctly identified by a screening test

Answer 1

Sensitivity

Question 2

Sensitivity = _______

Answer 2

Percentage of patients with disease who will be correctly identified by a screening test

Question 3

_____ = Percentage of patients without disease who will be correctly identified as disease free by a screening test

Answer 3

Specificity

Question 4

Specificity = _______

Answer 4

Percentage of patients without disease who will be correctly identified as disease free by a screening test

Question 5

_______ = Probability of having the disease given one has a positive test result

Answer 5

Positive Predictive Value

Question 6

Positive Predictive Value = ______

Answer 6

Probability of having the disease given one has a positive test result

Question 7

_______ = Probability of not having the disease given one has a negative test result

Answer 7

Negative Predictive Value

Question 8

Negative Predictive Value = _______

Answer 8

Probability of not having the disease given one has a negative test result

Question 9

______ = Probability of having the disease for a patient sample simulated in a 2x2 table

Answer 9

Pre-test Probability or Prevalence

Question 10

Pre-test Probability or Prevalence = ________

Answer 10

Probability of having the disease for a patient sample simulated in a 2x2 table

Question 11

The BRCA 1 gene is located on chromosome ___, and BRCA 2 is located on chromosome ___.

Answer 11

1 = 17
2 = 13