Benchmarks for Cancers for Screening Mammography
Examinations from 2002 - 2006 --- based on BCSC data as of 2009
You are viewing the 2009 collection of this data. Data from other times are also available:
| |
All Screening Examinations |
| Cancer detection rate (per 1000)
| 4.2 |
| Readers with 1000+ examinations
| 370 |
| Cancers
| 7,905 |
| All examinations
| 1,899,060 |
| CDR (Median-50th percentile)
| 4.0 |
| CDR (25th, 75th percentiles)
| 2.9, 5.3 |
| CDR (10th, 90th percentiles)
| 1.9, 6.5 |
| Invasive cancer size
| |
| Readers with 15+ invasive cancers (known size)
| 130 |
| Cancers
| 3,716 |
| Mean tumor size in mm (Median - 50th percentile)
| 17.2 |
| Mean tumor size in mm (25th, 75th percentiles)
| 15.0, 19.4 |
| Mean tumor size in mm (10th and 90th percentile)
| 13.6, 22.4 |
| Median tumor size in mm (Median - 50th percentile)
| 13.3 |
| Median tumor size in mm (25th, 75th percentiles)
| 12, 15 |
| Median tumor size in mm (10th, 90th percentiles)
| 11.3, 18 |
| %Minimal cancer
| 52.9 |
| Readers with 15+ cancers (DCIS/invasive size known)
| 175 |
| Minimal cancers
| 3,201 |
| Total cancers (DCIS/invasive size known)
| 6,050 |
| %Minimal cancer (Median - 50th percentile)
| 53.6 |
| %Minimal cancer (25th, 75th percentiles)
| 44.4, 60.0 |
| %Minimal cancer (10th, 90th percentiles)
| 35.3, 65.4 |
| %Node negative (invasive cancers only)
| 76.1 |
| Readers with 15+ invasive cancers (known nodal status)
| 142 |
| Node negative invasive cancers
| 3,206 |
| Total invasive cancers (known nodal status)
| 4,212 |
| %Node negative cancer (Median - 50th percentile)
| 76.3 |
| %Node negative cancer (25th, 75th percentiles)
| 71.4, 81.3 |
| %Node negative cancer (10th, 90th percentiles)
| 65.6, 87.0 |
| %Stage 0 or I
| 73.4 |
| Readers with 15+ cancers (known stage)
| 170 |
| Stage 0 or I cancers
| 4,354 |
| Total cancers (known stage)
| 5,928 |
| %Stage 0 or I cancer (Median - 50th percentile)
| 73.6 |
| %Stage 0 or I cancer (25th, 75th percentiles)
| 68.2, 78.9 |
| %Stage 0 or I cancer (10th, 90th percentiles)
| 60.9, 83.9 |
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.
‡ Minimal cancer = DCIS or invasive cancer <= 10 mm.
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/table6.html .
[Return to Performance Benchmarks for Screening Mammography]
|
