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Updated: Jan 3, 2026

Performing Data Mining And Integrative Analysis Of Biomarker in Breast Cancer Using Multiple Publicly Accessible Databases
Published on: May 17, 2019
Identifying tests related to breast cancer care in claims data
Benjamin L Franc1, Robert Thombley2, Yanting Luo2
1Division of Nuclear Medicine and Molecular Imaging, Department of Radiology, Stanford University School of Medicine, Stanford, CA, USA.
Abstract:
To develop a method for calculating rates of testing for breast cancer recurrence in patients who have already undergone initial treatment for breast cancer, we calculated rates in a cohort of Medicare breast cancer patients and an age-matched noncancer cohort. We first used only tests with claims including diagnosis codes indicating invasive breast cancer and then used all tests regardless of diagnosis code. For each method, we calculated testing rates in the breast cancer cohort above the background rate in the noncancer population. The two methods provided similar estimates of testing prevalence and frequency, with exception of prevalence of CT.
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