Table 2
Detected in situ/invasive cancer ratio for model and actual Screening Mammography Program of British Columbia data, by age at exam
| Source | Age at exam | |||
|---|---|---|---|---|
| 40 to 49 | 50 to 59 | 60 to 69 | 70 or older | |
| Screening Mammography Program of British ColumbiaNote 6 | 0.55 | 0.35 | 0.28 | 0.20 |
| Model predictions (annual screening) | 0.63 | 0.62 | 0.61 | 0.60 |
| Model predictions (biennial screening) | Note .: not available for any reference period | 0.32 | 0.31 | 0.33 |
|
. not available for any reference period Note: Values are for all screens except initial screen. Sources: Screening Mammography Program of British Columbia; Canadianized University of Wisconsin Breast Cancer Epidemiology Simulation Model. |
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