Mammography was used to screen for breast cancer in a sample of 64,810 women. 17
ID: 3147687 • Letter: M
Question
Mammography was used to screen for breast cancer in a sample of 64,810 women. 177 women truly had cancer based on biopsy (gold standard test). Of these, 132 had positive results on mammography. Of the 64,633 women who were found to be cancer-free based on gold standard diagnostic testing, 983 had positive mammography results.
35. Using the data above, fill in the 2x2 table below [3]:
True Breast Cancer Diagnosis
Mammography Result
Cancer +
Cancer -
Totals
Positive
Negative
Totals
True Breast Cancer Diagnosis
Mammography Result
Cancer +
Cancer -
Totals
Positive
Negative
Totals
Explanation / Answer
True Breast Cancer Diagnosis
Mammography Result
Cancer +
Cancer -
Totals
Positive
132
983
1115
Negative
45
63650
63695
Totals
177
64633
64810
True Breast Cancer Diagnosis
Mammography Result
Cancer +
Cancer -
Totals
Positive
132
983
1115
Negative
45
63650
63695
Totals
177
64633
64810
Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.