Additional file 3 of Preoperative profiles of plasma amino acids and derivatives distinguish periampullary cancer and benign disease

Additional file 3. Clinical characteristics for the benign, malignant, and overlapping patients between the two LC-MS/MS analysis sets in the study cohort. Study population N = 117. Total range or percentage in the parentheses. *Total pancreatectomy includes total pancreatectomy and total pancreatoduodenectomy. **Other entities include all other benign entities than Intraductal Papillary Mucinous Neoplasm (IPMN) and pancreatitis. ***No patient diagnosed with benign disease had known development of cancer in the periampullary region by the time of last follow-up. **** The nine overlapping samples between the two LC-MS/MS runs used for normalization. BMI = body mass index [50]. CA19-9 = Cancer antigen 19-9.