Modeling of the Hemoglobin Drop in the Uncomplicated Postoperative Course

Exclusion Criteria

• •Suspected or confirmed coagulopathy (including current treatment with anticoagulants or antiplatelet agents).
• •Requirement for surgical gauzes during surgery, including conversion to open surgical techniques.
• •Transfusion of red blood cells (RBCs) or use of blood recovery systems during the perioperative period.
• •Significant postoperative bleeding (\> 50 ml in surgical drains, gross hematuria, or any other type of significant blood loss).
• •Postoperative hemodynamic instability (defined as requirement of vasoactive drugs).
• •Other major postoperative complications during the observable period.