Effect of BN52021 on NFκ-Bp65 expression in pancreatic tissues of rats with severe acute pancreatitis

Table 1 Scoring standard of pathological change for pancreatic tissue of rats with SAP

Pathological grading	Pathological change	Scores
Edema	Inter-lobule local edema, widened pleura	1
	Inter-lobule diffuse edema, widened intra-lobule clearance	2
	Increased intra-lobule clearance, alveolus swollen, and separated	3
Inflammatory	White cells < 20/visual field under high-power microscope	1
Cell infiltration	White cells 20-50/visual field under high-power microscope	2
	White cells > 30/visual field under high-power microscope, or micro-abscess occurs	3
Hemorrhage	Parenchymal hemorrhage < 20%	1
	Parenchymal hemorrhage 20%-50%	2
	Parenchymal hemorrhage > 50%	3
Necrosis	Necrosis area < 20%	1
	Necrosis area 20%-50%	2
	Necrosis area > 50%	3