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Benchmarks for Abnormal Diagnostic Mammography Interpretations from 1996 - 2005 by Indication for Examination*
Note: 23,653 (5.2%) examinations were given an initial BI-RADS assessment of zero. The first non-zero assessment within 180 days was used as the final assessment for analysis. Examinations without a non-zero assessment within 180 days were excluded (N=7,943; 1.7%). * Includes examinations for radiologists who interpreted at least 10 cases in a given column; excludes examinations for which the radiologist is unknown. † The number of radiologists in this column does not equal the sum of radiologists in the other column because a given radiologist may contribute to each of the preceding columns, but may contribute to this column only once. ‡ Abnormal interpretation rate = The percentage of examinations interpreted as suspicious or highly suggestive of malignancy (BI-RADS category 4 or 5). § PPV1 = The percentage of examinations with an abnormal interpretation that results in a tissue diagnosis of cancer within 1 year. || PPV2 = The percentage of examinations with an abnormal interpretation and a recommendation for biopsy or surgical consultation that results in a tissue diagnosis of cancer within 1 year. # PPV3 = The percentage of known biopsies performed as a result of an abnormal interpretation with a recommendation for biopsy or surgical consultation that results in a tissue diagnosis of cancer within 1 year. The following source must be cited when reproducing this table: NCI-funded Breast Cancer Surveillance Consortium co-operative agreement (U01CA63740, U01CA86076, U01CA86082, U01CA63736, U01CA70013, U01CA69976, U01CA63731, U01CA70040). Downloaded xx/xx/xx from the Breast Cancer Surveillance Consortium Web site - http://breastscreening.cancer.gov/data/benchmarks/diagnostic/table5.html [Return to Performance Benchmarks for Diagnostic Mammography] |
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