Fig. 2

Number of blood transfusions in patients with pelvic injury. Comparison of the mean number of packed red blood cell (pRBC) units transfused a after admission to the ward, b during ER resuscitation, and c throughout hospitalization among patients with simple or complicated pelvic fracture with mild or severe vascular injury. Data are shown as the mean ± standard deviation. *p < 0.05 compared to groups 1, 2, and 3; #p < 0.05 compared to groups 1 and 3