Fig. 2From: Importance of male partner’s involvement in prevention of mother to child transmission of HIV/AIDS in Ethiopia: a systematic review and meta analysis until June 2021Funnel plot of prevalence of male involvement in Prevention of mother-to-child transmission of HIV in Ethiopia. Each dot represents a single study. The y-axis is the standard error of the effect estimate. The x-axis is transformed effect size. Asymmetrical distribution of dots on the both sides of the vertical line inside the triangle (funnel) shows relatively publication bias (subjective)Back to article page