highly significantp < 0.001
Unadjusted analysis Unadjusted analysis of the relationship of the risk group (coagulopathy, anticoagulant or antiplatelet therapy) and the non-risk group with the variables patient- and surgery-specific characteristics showed that there were highly significant differences between the risk group and the non-risk group with regard to all variables (in each case p < 0.001) (Table 1 ).