Fig. 2From: Polyethyleneimine-treated polyacrylonitrile membrane hemofilter for critically ill patients receiving anticoagulant-free prolonged intermittent renal replacement therapy: a single-center, prospective, self-controlled pilot studyRisk of early termination of prolonged intermittent renal replacement therapy according to platelet level. Patients were divided into three subgroups according to platelet levels of <70, 70 to 150, and >150 × 109/LBack to article page