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Effect of trastuzumab versus control on recurrence and mortality
10-year cumulative risk of any recurrence (ie, distant, local, or contralateral; A), breast cancer mortality (B), death without any recurrence (C), and death from any cause (D). Breast cancer mortality rates calculated by total rate (events/woman-years) – rate in women without recurrence. Error bars are 95% CIs. O–E=observed minus expected. RR=rate ratio. V=variance of O–E.
