OGT and pancreatic intraductal papillary-mucinous neoplasm: Interestingly, plasma OGT levels (Figure 5B) were also significantly elevated in PDAC patients (724.4 ng/mL) compared to controls (175.8 ng/mL); however, there was no significant difference in mean values of OGT plasma concentrations between IPMN, pancreatitis and normal groups.