Number of women without breast cancer who had a bilateral mastectomy (BM) in England, 2002–2011
| Number of women who had a BM | Incidence per 100 000 women aged 25–69 | Annual trend | ||
|---|---|---|---|---|
| IRR (95% CI) | p Value | |||
| 2002 | 71 | 0.4 | 1.16 (1.13 to 1.18) | <0.001 |
| 2003 | 72 | 0.4 | ||
| 2004 | 101 | 0.6 | ||
| 2005 | 131 | 0.7 | ||
| 2006 | 147 | 0.8 | ||
| 2007 | 201 | 1.1 | ||
| 2008 | 186 | 1.0 | ||
| 2009 | 232 | 1.2 | ||
| 2010 | 238 | 1.3 | ||
| 2011 | 255 | – | ||