Inter-observer variability in histopathological assessment of liver biopsies taken in a pediatric open label therapeutic program for chronic HBV infection treatment

Table 1 The inter-observers agreement definitions

Agreement rate Number of equal assessment/number of observations	Description	Percentage of agreement(%)
6/6, 5/5, 4/4	All observers gave the same score	100
3/4, 5/6, 4/5,	One observer scored differently than others	75-85
4/6, 3/5	Two observers scored differently than others	60-66
3/6. 2/4	Agreement of half of observers	50
2/6, 2/5, 1/4	Agreement of less than half of observers	25-40