Table 3 Incidence rate of breast interval cancer from 2009 to 2014
| Â | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
No. of incidence | % | IR | No. of incidence | % | IR | No. of incidence | % | IR | No. of incidence | % | IR | No. of incidence | % | IR | No. of incidence | % | IR | |||
Breast interval cancer | Â | Total | 1,278 | 100.0 | 51.7 | 1,385 | 100.0 | 56.0 | 1,801 | 100.0 | 62.7 | 1,912 | 100.0 | 67.2 | 1,986 | 100.0 | 70.5 | 2,150 | 100.0 | 76.3 |
CIS | 245 | 19.2 | 9.9 | 259 | 18.7 | 10.5 | 392 | 21.8 | 13.6 | 436 | 22.8 | 15.3 | 446 | 22.5 | 15.8 | 501 | 23.3 | 17.8 | ||
Malignant N. | 1,033 | 80.8 | 41.8 | 1,126 | 81.3 | 45.5 | 1,409 | 78.2 | 49.0 | 1,476 | 77.2 | 51.9 | 1,540 | 77.5 | 54.7 | 1,649 | 76.7 | 58.5 | ||
Age | 40–49 | Subtotal | 608 | 47.6 | 79.6 | 678 | 49.0 | 87.4 | 802 | 44.5 | 94.0 | 852 | 44.6 | 103.5 | 914 | 46.0 | 110.7 | 975 | 45.3 | 112.5 |
CIS | 111 | 18.3 | 14.5 | 134 | 19.8 | 17.3 | 170 | 21.2 | 19.9 | 193 | 22.7 | 23.4 | 213 | 23.3 | 25.8 | 229 | 23.5 | 26.4 | ||
Malignant N. | 497 | 81.7 | 65.1 | 544 | 80.2 | 70.1 | 632 | 78.8 | 74.1 | 659 | 77.3 | 80.0 | 701 | 76.7 | 84.9 | 746 | 76.5 | 86.1 | ||
Subtotal | 456 | 35.7 | 58.8 | 469 | 33.9 | 59.9 | 691 | 38.4 | 71.5 | 665 | 34.8 | 71.5 | 690 | 34.7 | 75.1 | 787 | 36.6 | 81.4 | ||
50–59 | CIS | 89 | 19.5 | 11.5 | 87 | 18.6 | 11.1 | 154 | 22.3 | 15.9 | 163 | 24.5 | 17.5 | 142 | 20.6 | 15.4 | 182 | 23.1 | 18.8 | |
Malignant N. | 367 | 80.5 | 47.3 | 382 | 81.4 | 48.8 | 537 | 77.7 | 55.6 | 502 | 75.5 | 54.0 | 548 | 79.4 | 59.6 | 605 | 76.9 | 62.6 | ||
Subtotal | 161 | 12.6 | 28.0 | 181 | 13.1 | 32.6 | 225 | 12.5 | 35.8 | 291 | 15.2 | 45.4 | 285 | 14.4 | 45.8 | 296 | 13.8 | 42.0 | ||
60–69 | CIS | 36 | 22.4 | 6.3 | 32 | 17.7 | 5.8 | 55 | 24.4 | 8.8 | 61 | 21.0 | 9.5 | 77 | 27.0 | 12.4 | 65 | 22.0 | 9.2 | |
Malignant N. | 125 | 77.6 | 21.7 | 149 | 82.3 | 26.8 | 170 | 75.6 | 27.1 | 230 | 79.0 | 35.9 | 208 | 73.0 | 33.5 | 231 | 78.0 | 32.8 | ||
Subtotal | 53 | 4.1 | 14.9 | 57 | 4.1 | 15.9 | 83 | 4.6 | 19.4 | 104 | 5.4 | 23.1 | 97 | 4.9 | 21.5 | 92 | 4.3 | 18.5 | ||
70 | CIS | 9 | 17.0 | 2.5 | 6 | 10.5 | 1.7 | 13 | 15.7 | 3.0 | 19 | 18.3 | 4.2 | 14 | 14.4 | 3.1 | 25 | 27.2 | 5.0 | |
Malignant N. | 44 | 83.0 | 12.4 | 51 | 89.5 | 14.2 | 70 | 84.3 | 16.4 | 85 | 81.7 | 18.9 | 83 | 85.6 | 18.4 | 67 | 72.8 | 13.5 | ||
Subtotal | 765 | 59.9 | 35.4 | 813 | 58.7 | 38.3 | 1,050 | 58.3 | 42.6 | 1,136 | 59.4 | 46.8 | 1,195 | 60.2 | 50.2 | 1,331 | 61.9 | 56.0 | ||
Results of screening | Normal | CIS | 129 | 16.9 | 6.0 | 152 | 18.7 | 7.2 | 208 | 19.8 | 8.4 | 246 | 21.7 | 10.1 | 253 | 21.2 | 10.6 | 314 | 23.6 | 13.2 |
Malignant N. | 636 | 83.1 | 29.4 | 661 | 81.3 | 31.2 | 842 | 80.2 | 34.2 | 890 | 78.3 | 36.7 | 942 | 78.8 | 39.6 | 1,017 | 76.4 | 42.8 | ||
Benign lesion | Subtotal | 513 | 40.1 | 167.5 | 572 | 41.3 | 162.4 | 751 | 41.7 | 183.7 | 776 | 40.6 | 185.9 | 791 | 39.8 | 180.4 | 819 | 38.1 | 186.8 | |
CIS | 116 | 22.6 | 37.9 | 107 | 18.7 | 30.4 | 184 | 24.5 | 45.0 | 190 | 24.5 | 45.5 | 193 | 24.4 | 44.0 | 187 | 22.8 | 42.6 | ||
Malignant N. | 397 | 77.4 | 129.6 | 465 | 81.3 | 132.0 | 567 | 75.5 | 138.7 | 586 | 75.5 | 140.4 | 598 | 75.6 | 136.4 | 632 | 77.2 | 144.1 | ||