Table 3 Effect of oophorectomy on expected cancers in Manchester
Number of womenYears of follow-upExpected cancers
No oophorectomy1871313.9511.79
Oophorectomy pre-RRM28140.091.02
Oophorectomy post-RRM3068.16 (pre-oophorectomy)147.99 (post-oophorectomy)0.93 (pre-oophorectomy)0.89 (post-oophorectomy)
Total2451670.1914.63

  • RRM, risk reducing mastectomy.