Fig. 2From: Clinical characteristics, treatments, and outcomes of thrombotic thrombocytopenic purpura treated with plasma exchange in Japan: a nationwide inpatient database studyA Frequency of PEX within 1 week after the initial PEX; B Total number of PEXs during hospitalization; C Duration of PEX; D Interval days from admission to initial PEX; E Total cases reported at each hospital during the study period. PEX, plasma exchangeBack to article page