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Table 2 Ordinal Surgical Acuity of Presentation Scale

From: Complete opioid transition to sublingual Buprenorphine after abdominal surgery is associated with significant reductions in opioid requirements, but not reduction in hospital length of stay: a retrospective cohort study

1 = Elective hernia or equivalent elective abdominal surgery

2 = Gastric non-cancer surgery not qualifying for higher grade; cholecystitis

3 = Undifferentiated abdominal pain; elective cancer surgery

4 = Acute gastro-intestinal obstruction

5 = Bowel ischaemia or perforated viscus