Prevalence, Risk Factors, and Outcomes of Platelet Transfusion Refractoriness in Critically Ill Patients: A Retrospective Cohort Study

Figure 1

Boxplots of platelet counts before and after platelet transfusion in patient subgroups categorized by the admitting service and by the type of platelet transfused. The platelet increment was statistically different among the different subgroups ( = 0.04 among the patients admitted under the different services and  < 0.01 among the different platelet product types). Platelet counts on the Y-axis are in thousands x10⁶/L.