Figure 2. Kaplan–Meier Estimates of Disease-free Survival, Freedom from Recurrence of Breast Cancer, Freedom from Recurrence of Breast Cancer at a Distant Site, and Overall Survival after a Median Follow-up of 68 Months, According to Treatment Assignment.
The hazard ratio in Panel A is for disease recurrence, second invasive cancer, or death without breast-cancer recurrence or second invasive cancer. The 5-year values are based on Kaplan–Meier estimates of the time to an event. OS denotes ovarian suppression.
