Accuracy of Short-Interval Follow-Up Mammograms by Patient and Radiologist Characteristics

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Abstract
OBJECTIVE. The purpose of our study was to examine the accuracy of short-interval follow-up mammograms and evaluate patient and radiologist characteristics associated with accuracy.MATERIALS AND METHODS. We evaluated 45,007 initial short-interval follow-up mammograms from the Breast Cancer Surveillance Consortium interpreted 3–9 months after a probably benign assessment on a screening or diagnostic examination between 1994 and 2004. We linked these mammograms with patient characteristics and breast cancer diagnoses within 12 months. A subset of short-interval follow-up examinations (n = 13,907) was merged with radiologist characteristics collected from survey data from 130 interpreting radiologists. Using logistic regression, we fit generalized estimating equations to model sensitivity and specificity of short-interval follow-up mammograms by patient and radiologist characteristics.RESULTS. For every 1,000 women, 8.0 women (0.8%) were diagnosed with breast cancer within 6 months and 11.3 (1.1%) within 12 ...

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