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Table 5 Comparison of intra-operative blood loss relative to procedure type, gender and BMI

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

One-way anova N Mean EBL SD p-value
Procedure type Group 1 42 680.95 313.1 0.211
Group 2 19 744.74 367
Group 3 21 495.24 517.9
Group 4 10 665.00 456.5
Gender Male 36 759.72 522.1 0.062
Female 56 579.46 274.6
BMI Underweight 17 617.65 301 0.930
Normal 55 654.55 421.2
Overweight or Obese 20 665.00 419.6
Total 92 650.00 397.8