Autoimmune hepatitis treatment in the elderly: A systematic review

Table 1 Risk of bias assessment in the included studies according to Risk Of Bias In Non-randomised Studies of Interventions scale

Biasdomains	Schram et al[6], 2001	Granito et al[21], 2005	Al-Chalabi et al[23], 2006	Czaja et al[9], 2006	Zhang et al[22], 2012	Zachou et al[20], 2016	Morii et al[24], 2017
Confounding	Moderate	Serious	Moderate	Moderate	Serious	Moderate	Moderate
Selection of participants into study	Serious	Low	Low	Moderate	Moderate	Serious	Moderate
Classification of interventions	Serious	Moderate	Moderate	Moderate	Serious	Moderate	Moderate
Deviation from intended interventions	No information	Low	No information	No information	No information	Low	Moderate
Missing data	Moderate	Moderate	Moderate	Serious	Serious	Serious	Serious
Measurement of outcomes	Low	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate
Selection of the reported results	Moderate	Moderate	Moderate	Moderate	Moderate	Serious	Moderate
Overall	Serious	Serious	Moderate	Serious	Serious	Serious	Serious