A multicenter study was performed with 5000 women over 45 years of age to evaluate a new mammography technique for the diagnosis of breast cancer. A core-needle biopsy of the breast was obtained in all recruited women with abnormal mamography findings. Of the 29 women who underwent biopsy, 26 were found to have breast cancer, the remaining women were found to have benign breast changes. Which of the following is required to calculate the specificity of this new mammography technique? A)Probability that a woman with abnormal mammography findings has breast cancer B) Incidence of breast cancer in the general population C) Number of women with normal mammography who do not have breast cancer D) Prevalence of breast cancer in the general population E) Number of women with benign breast changes and normal mammography findings
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