Skip to main content

Table 7 Mean intra-operative blood loss (EBL) for patients who underwent transfusion and those who did not, and the distribution among the surgical groups

From: Predictors of intra-operative blood loss and blood transfusion in orthognathic surgery: a retrospective cohort study in 92 patients

Blood transfusion N Mean EBL SD P value
Not transfused 74 570 308 <0.0001*
Transfused Group 1 11 813.63 342.11
Group 2 4 875 340
Group 3 2 1600 1275
  Group 4 1 1900 0
  Total transfused 18 975 548
  1. *Significant using student's t-test at p < 0.05.