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Kaplan–Meier estimates. Kaplan–Meier estimates of overall PyV replication, BKPy-viremia, and “definitive” biopsy proven PyVN in 809 kidney transplant recipients followed for 74 weeks post transplantation, when 80% of PyVN cases had developed. Numbers of patients “at risk” (i.e., neither having presented with the monitored event nor lost to follow-up) are given for each category by time point. Detailed definitions are provided above.
