Animal experiment and clinical study of effect of gamma-interferon on hepatic fibrosis

Table 6 Histological grading and staging of liver biopsy specimens before and after 9-month treatment

	Grade*	Score of grade△	Stage*	Score of stage△
Before treatment	2.30 ± 0.98	7.30 ± 5.39	2.60 ± 0.88	8.40 ± 5.83
After 9-month treatment	1.95 ± 0.69	4.90 ± 2.27	2.05 ± 0.76	5.30 ± 4.05
t		2.719		2.719
P		0.051		0.014a

*Scheuer’s criteria; ^△Chevallier’s criteria; ^aP < 0.05 vs before treatment