Benchmarks for Abnormal Screening Mammography Interpretations from 2002 - 2006 --- based on BCSC data as of 2009^*

Notes

Numbers are frequencies unless otherwise indicated.

^* Includes examinations for radiologists with minimum numbers of cases in a given row as designated; excludes examinations for which the radiologist is unknown.

^‡ Recall rate = the percentage of examinations with an abnormal initial interpretation (BI-RADS category 4, 5, or 0 -- category 3 with a recommendation for immediate follow-up was recoded as 0).

^§ PPV₁ = The percentage of examinations with an abnormal initial interpretation that result in a tissue diagnosis of cancer within 1 year.

^|| PPV₂ = The percentage of examinations with an abnormal final interpretation** that result in a tissue diagnosis of cancer within 1 year.

^# PPV₃ = the percentage of examinations with an abnormal final interpretation**, where it is known that a biopsy was performed as a result of the abnormal diagnostic examination, that result in a tissue diagnosis of cancer within 1 year.

Table numbers last updated December 27, 2009. 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/xxxx from the Breast Cancer Surveillance Consortium Web site - http://breastscreening.cancer.gov/data/benchmarks/screening/2009/table5.html .

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