Fig. 2From: Preoperative hypoalbuminemia and anemia as predictors of transfusion in radical nephrectomy for renal cell carcinoma: a retrospective studyBox-and-Whisker plots of preoperative hemoglobin levels in patients who were (transfused group) or were not (non-transfused group) transfused with PRBCs. Note that the preoperative hemoglobin level was significantly lower in the transfused group than in the non-transfused group. PRBC: packed red blood cellBack to article page