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. 2016 Jun 27;17(4):489–496. doi: 10.3348/kjr.2016.17.4.489

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