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Table 3 Mean intra-operative blood loss and its relationship to operative time

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

Length of surgery N Mean SD P-value
1-3 hrs. 15 316.67 206.73  
>3-6 hrs. 36 713.89 435.17  
>6-10 hrs. 41 715.85 359.94 0.001*
Total 92 650.00 397.80  
  1. *Significant using One-Way ANOVA at p < 0.05.
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Patient Safety in Surgery

ISSN: 1754-9493

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