Survival predicted by Adjuvant! v observed survival in 4083 women with stage I or II breast cancer*

Outcomes at 10 yearsAdjuvant! predicted survivalObserved survivalPredicted minus observed
Overall survival71.7%72.0%−0.3%
Breast cancer specific survival83.2%82.5%0.7%
Event free survival71.0%70.1%0.9%