Figure 4
From: Should chronic hepatitis B mothers breastfeed? a meta analysis
The Egger's funnel plot with pseudo 95% confidence limits for the 16 studies on the effect of breastfeeding on occurrence of chronic hepatitis B (CHB) infection among the infants born of CHB mothers with high and low infectivity. RD: risk difference; CI: confidence interval; CHB: chronic hepatitis B. The circles alone and enclosed with square represented respectively the included and filled studies.