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Related Experiment Videos

Performance benchmarks for diagnostic mammography.

Edward A Sickles1, Diana L Miglioretti, Rachel Ballard-Barbash

  • 1Department of Radiology, University of California San Francisco School of Medicine, 1600 Divisadero St, Rm H-2801, San Francisco, CA 94115, USA. edward.sickles@ucsfmedctr.org

Radiology
|May 26, 2005
PubMed
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This study establishes performance benchmarks for diagnostic mammography in the U.S. using data from over 300,000 exams, aiding facilities in auditing mammography quality.

Area of Science:

  • Radiology and Medical Imaging
  • Oncology
  • Public Health

Background:

  • Diagnostic mammography is crucial for breast cancer detection.
  • Auditing mammography performance is essential for quality assurance.
  • Establishing national benchmarks is needed to evaluate practice variations.

Purpose of the Study:

  • To evaluate performance parameters for diagnostic mammography audits.
  • To derive representative performance benchmarks from large-scale U.S. data.
  • To provide tools for mammography facilities and radiologists to assess their quality.

Main Methods:

  • Utilized data from the Breast Cancer Surveillance Consortium (BCSC) registries.
  • Included 151 facilities and 646 radiologists, analyzing 332,926 diagnostic mammography exams (1996-2001).

Related Experiment Videos

  • Calculated mean and percentile values for key performance metrics.

    • Main Results:

    • Abnormal interpretation rate: 8.0%.
    • Positive predictive values ranged from 31.4% to 39.5%.
    • Cancer diagnosis rate: 25.3 per 1000 exams; 42.0% minimal cancers; 62.4% stage 0/I cancers.

    Conclusions:

    • The Breast Cancer Surveillance Consortium (BCSC) provides valuable outcome data.
    • Derived performance benchmarks can guide mammography quality audits.
    • Facilities and radiologists can use these benchmarks for self-evaluation and improvement.