Table 6. False Positive Rate and Trend of Screening Mammography by Hospitals Participating in Alliance for Breast Cancer Screening in Korea.
No. of Hospital | Total | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | APC | 95% CI |
---|---|---|---|---|---|---|---|---|---|
1 | 24.2 | 59.1 | 45.9 | 33.0 | 16.3 | 5.6 | 6.9 | -39.8 | -51.2 to -25.7 |
2 | 26.5 | 3.2 | 37.4 | 31.9 | 29.1 | 27.9 | 25.4 | 30.8 | -26.5 to 132.6 |
3 | 14.1 | 6.7 | 11.6 | 14.0 | 12.8 | 14.2 | 17.0 | 15.9 | 2.7 to 30.9 |
4 | 14.3 | 16.9 | 16.5 | 13.0 | 11.9 | 15.4 | 14.0 | -3.5 | -11.8 to 5.7 |
5 | 10.6 | 10.0 | 10.2 | 12.3 | 13.3 | 10.9 | 7.6 | -3.1 | -15.6 to 11.3 |
6 | 14.7 | 10.5 | 8.2 | 10.1 | 16.9 | 22.2 | 15.2 | 16.5 | -2.6 to 39.4 |
7 | 8.8 | 14.0 | 11.7 | 14.5 | 7.6 | 5.6 | 8.3 | -14.5 | -28.5 to 2.2 |
8 | 14.9 | 36.7 | 20.5 | 14.7 | 10.4 | 10.6 | 6.3 | -27.3 | -34.8 to -18.9 |
9 | 26.3 | 6.0 | 13.5 | 26.0 | 31.9 | 28.0 | 32.3 | 36.2 | 6.1 to 74.7 |
10 | 19.7 | 9.3 | 14.5 | 23.1 | 23.2 | 22.2 | 25.0 | 19.5 | 2.9 to 38.7 |
APC = annual percent change, CI = confidence interval of the APC