Table 3.
Detection rate of breast cancer at the next rescreen by type of previous negative mammography report.
| Mammography report | ||
|---|---|---|
| Standard negative | Negative with RES | |
| Women at rescreen, n | 127,936 | 2557 |
| Abnormal results, n (%) | 4125 (3.2) | 161 (6.3) |
| DET, n (rate)* | 539 (4.2) | 18 (7.0) |
| EXP, n | 304.5 | 5.9 |
| DET:EXP ratio (95% CI) | 1.77 (1.62-1.93) | 3.04 (1.80-4.81) |
| Ratio† of the DET:EXP ratios (95% CI) | 1.00 (referent) | 1.72 (1.01-2.74) |
* Per 1000 women.
† Adjusted for woman's age (5-year groups).
RES, recommendation for early (<24 months) rescreen; DET, detected (screen-detected); DET:EXP ratio, ratio of screen-detected cancers to cancers expected based on the underlying incidence; CI, confidence interval.