Table 1

International Study Group of Pancreatic Surgery delayed gastric emptying consensus definition6

GradeNGT requiredUnable to tolerate solid oral intake by PODVomiting/gastric distensionUse of prokinetic medication
A4–7 days or reinsertion after POD 37±±
B8–14 days or reinsertion after POD 714++
C>14 days or reinsertion after POD 1421++

  • NGT, Nasogastric Tube; POD, Postoperative day.