Effects of emodin and baicalein on rats with severe acute pancreatitis

Table 1 The standard of pathological score of pancreas.

Histological changes	Classification	Score
Edema	Lobar diaphragm widen	1
	Lobar + interlobular septae widen	2
	Lobar + lobulous + interacinar septae widen	3
Infiltration of inflammatory cell	1-10 leukocyte / HPF	1
	11-20 leukocyte / HPF	2
	>20 leukocyte / HPF	3
Fat necrosis	<2 necrotic cells / per lobule	3
	3-5 necrotic cells / per lobule	5
	>5 necrotic cells / per lobule	7
Parenchymatous necrosis	Necrotic area <5% total area	3
	Necrotic area accout 5-20% total area	5
	Necrotic area>20% total area	7
Hemorrhagic focus	<2 focus / per lobule	3
	2-4 focus / per lobule	5
	>4 focus / per lobule	7

Note: HPF = 400× microscopy.