Comparison 4.

Interferon versus control ‐ liver‐related morbidity

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Hepatic encephalopathy	2	1676	Risk Ratio (M‐H, Fixed, 95% CI)	0.92 [0.38, 2.26]
2 Variceal bleeding	3	1710	Risk Ratio (M‐H, Fixed, 95% CI)	0.26 [0.09, 0.71]
3 Ascites	2	1676	Risk Ratio (M‐H, Fixed, 95% CI)	1.12 [0.62, 2.00]
4 Spontaneous bacterial peritonitis	2	1084	Risk Ratio (M‐H, Fixed, 95% CI)	0.38 [0.04, 3.54]
5 Hepatocellular carcinoma	3	1710	Risk Ratio (M‐H, Fixed, 95% CI)	0.81 [0.55, 1.19]
6 Liver transplantation	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
7 Decompensated cirrhosis	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected