The goal of this observational study is to identify the risk factors and build the early warning system of sepsis and septic shock after major abdominal surgery based on artificial intelligence. The main questions it aims to answer are: What are the high risk factors of postoperative sepsis? Which factors can accelerate the progression of sepsis? Researchers will collect perioperative characteristics to construct predictive models of postoperative sepsis in a retrospective abdominal surgical population based on artificial intelligence, and the accuracy of the models were tested in an external dataset.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Sepsis within 28 days after surgery.
Timeframe: In the 28-day period following surgery