Omega-3 Fatty Acids Supplementation in Children to Prevent Asthma: Is It Worthy?—A Systematic Review and Meta-Analysis

Figure 2

Odds ratio and 95% confidence interval of risk of asthma. The pooled estimates were obtained using a random effects model. The squares represent relative risk in each study, with square size representing the study-specific weight and the 95% CI is represented by horizontal bars. The diamond at the bottom indicates summary risk estimate.