Transfusion Prediction in Major Abdominal Surgery

Development and Validation of a Predictive Model for Transfusion in Major Abdominal Surgery

The transfusion nomogram, integrating preoperative variables, may effectively predict intraoperative transfusion in major abdominal surgery.

Inclusion Criteria:

• Patients aged 18 years and older who underwent major abdominal surgery

Exclusion Criteria:

• Patients with known hematologic disease or coagulopathy
• Patients who received a blood transfusion before surgery
• Patients with incomplete data or missing laboratory values