Figure 3From: Efficacy of pegylated interferon α-2a and α-2b in patients with genotype 1 chronic hepatitis C: a meta-analysis Funnel plot of the risk ratios vs. the reciprocal of their standard errors of trials evaluating the efficacy of Peg-IFN α-2a versus Peg-IFN α-2b on the different outcomes of interest. Back to article page