Evaluation of Inflammatory Infiltration in the Retroperitoneal Space of Acute Pancreatitis Using Computer Tomography and Its Correlation with Clinical Severity

Table 2

Judgment criteria for AP.

Serial number	Judgment criteria
1	Acute abdomen such as upper abdominal pain and discomfort
2	Serum lipase or amylase level 3 times or more above the normal upper limit
3	CT imaging of the abdomen suggesting the diagnosis of AP