Final answer:
Elevated lipase levels are associated with the worst prognosis in a patient with acute alcoholic pancreatitis.
Step-by-step explanation:
The lab finding that is associated with the worst prognosis in a patient with acute alcoholic pancreatitis is elevated lipase levels. Lipase is an enzyme produced by the pancreas, and elevated levels indicate inflammation and damage to the pancreas. This finding is specific to the pancreas and can help diagnose and monitor pancreatitis.