Fig. 2From: Optimal use of plasma and urine BK viral loads for screening and predicting BK nephropathyTime to first positive BK urine viral load, fortnightly vs 3-monthly testing. Legend: Kaplan-Meier curve of time to first positive BK urine viral load in the first 200 days post transplantation for patients tested fortnightly (solid line) and 3-monthly (dashed line)Back to article page