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. 2021 May 20;16(5):e0251793. doi: 10.1371/journal.pone.0251793

Fig 2. Proportion of catheters free of thrombotic dysfunction.

Fig 2

Kaplan-Meier estimates with censoring at the time of the first thrombotic dysfunction. Population at risk during the 6 months follow up is indicated under the graph. Placebo (blue lines) and once weekly urokinase (red lines). P value of null hypothesis of no difference in survival by log-rank test = 0.01.