Figure 4From: Endoscopic sclerotherapy compared with no specific treatment for the primary prevention of bleeding from esophageal varices. A randomized controlled multicentre trial [ISRCTN03215899]Meta-analysis (19) of the effect of prophylactic sclerotherapy on the incidence of variceal bleeding. The trials are arranged according to the baseline bleeding-risk, expressed as the odds after logarithmic transformation for the control groups.Back to article page