Fig. 1: Summary of Bayesian model average meta-analysis of dichotomous outcomes.

a Effect size (risk ratio). b Strength of evidence in favor of H+ and H- BF+/-: ratio of the probability of the data under H+ over the probability of the data under H-; BFrf: ratio of the probability of the data under the random effects model over the probability of the data under the fixed effect model; BPD bronchopulmonary dysplasia, CrI credible interval, IVH intraventricular hemorrhage, k number of studies, LOS late-onset sepsis, NEC necrotizing enterocolitis, ROP retinopathy of prematurity.