Toolbox 

The UMass Surgical Outcomes Analysis & Research group has developed a number of tools to help predict outcomes after operations, including in-hospital mortality and complications. These "risk scores" stratify patients in various settings according to their specific characteristics and circumstances. Please note that these resources are intended as research tools; they describe national averages only, and the estimates they provide must be interpreted in context by an experienced clinician. The following tools are available:

• Perioperative Mortality for Management of Hepatic Neoplasm: A Simple Risk Score 
  This tool preoperatively stratifies patients undergoing a surgical procedure for hepatic neoplasm (either primary or metastasis) according to their individual risk of in-hospital mortality.
   
• In-hospital Mortality after Liver Resection for Hepatocellular Carcinoma: A Simple Risk Score
  This tool preoperatively stratifies patients undergoing a surgical procedure for hepatocellular carcinoma according to their individual risk of in-hospital mortality.
   
• In-hospital Mortality for Liver Resection for Metastases: A Simple Risk Score 
  This tool preoperatively stratifies patients undergoing a surgical procedure for metastatic disease to the liver according to their individual risk of in-hospital mortality.
   
• Predicting Major Postoperative In-Hospital Complications after Laparoscopic Cholecystectomy: A Simple Risk Score
  This tool assists in preoperatively predicting individual patient risk of developing a major postoperative complication following laparoscopic cholecystectomy.