Figure 3

Forest plot for random-effects meta-analysis for NGF, VEGF, NT-3 and NT-4. Forest plot for random-effects meta-analysis on differences in blood NGF (A), VEGF (B), NT-3 (C) and NT-4 (D) concentrations between children with autism spectrum disorder (ASD) and healthy controls. The sizes of the squares are proportional to study weight. Diamond marker indicates pooled effect size. CI, confidence interval.