Table 2. Diagnostic Accuracy and Trend of Screening Mammography in Alliance for Breast Cancer Screening in Korea.
| 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | Total | APC | 95% CI | |
|---|---|---|---|---|---|---|---|---|---|
| Recall rate (%) | 25.8 | 25.7 | 22.1 | 17.9 | 15.2 | 14.9 | 19.1 | -12.1 | -15.9 to -8.2 |
| CDR per 1000 examinations | 2.2 | 2.8 | 2.3 | 2.7 | 2.7 | 3.1 | 2.7 | 5.3 | -0.6 to 11.7 |
| PPV (%) | 0.8 | 1.1 | 1.1 | 1.5 | 1.8 | 2.1 | 1.4 | 20.8 | 15.2 to 26.7 |
| Sensitivity (%) | 77.8 | 90.4 | 93.5 | 86.1 | 91.9 | 80.2 | 86.5 | 0.3 | -5.1 to 6.1 |
| Specificity (%) | 74.4 | 74.5 | 78.1 | 82.4 | 85.0 | 85.4 | 81.1 | 3.3 | 2.1 to 4.5 |
| FPR (%) | 25.6 | 25.5 | 21.9 | 17.6 | 15.0 | 14.6 | 18.9 | -12.4 | -16.2 to -8.4 |
| ICR per 1000 negative women | 0.8 | 0.4 | 0.2 | 0.5 | 0.3 | 0.9 | 0.5 | 1.9 | -33.5 to 56.0 |
APC = annual percent change, CDR = cancer detection rate, CI = confidence interval of the APC, FPR = false-positive rate, ICR = interval cancer rate, PPV = positive predictive value