Efficacy of Faecal Microbiota Transplantation for the Treatment of Autism in Children: Meta-Analysis of Randomised Controlled Trials

Figure 5

Plot of public bias. (a) Egger’s test: Y axis represents the standard normal deviate (SND) of ABC scores (effect estimate). SND is defined as the sample mean divided by the standard error. The method is to use SND to make regression analysis on the precision of effect estimation. (b) Begg’s test: Y axis represents standard error of weighted mean difference (WMD). WMD indicates the standardization of the effect estimate. The method is to use corrected rank correlation analysis to test the correlation between WMD and its standard error.

(a)

(b)