Table 3.
Immediate Breast Reconstruction Rates and Incidence Rate Ratio by PMRT Status
| Diagnosis Year |
Mastectomy N |
Reconstruction N |
Percentage of breast reconstruction (Number per100 Mastectomies) | ||
|---|---|---|---|---|---|
| Overall | PMRT | No PMRT | |||
| 2004 | 62,742 | 11,482 | 18 | 13 | 19 |
| 2005 | 63,982 | 12,477 | 20 | 14 | 21 |
| 2006 | 67,540 | 14,214 | 21 | 15 | 23 |
| 2007 | 73,993 | 17,717 | 24 | 17 | 26 |
| 2008 | 79,116 | 21,062 | 27 | 20 | 29 |
| 2009 | 83,769 | 25,146 | 30 | 23 | 32 |
| 2010 | 82,508 | 26,845 | 33 | 26 | 35 |
| 2011 | 84,869 | 29,659 | 35 | 28 | 37 |
| 2012 | 87,350 | 32,853 | 38 | 31 | 40 |
| 2013 | 87,163 | 35,486 | 41 | 33 | 43 |
|
| |||||
| IRR* | 1.10 | 1.12 | 1.09 | ||
*
All IRR are significant with p < 0.05, IRR: Incident Rate Ratio, PMRT: Post-Mastectomy Radiotherapy