Fig. 2: Results of the meta-analysis of pRNFL average thickness, macular average thickness, mGCL-IPL, and optic cup volume.

A pRNFL average. B Macular average thickness. C Macular GCL-IPL. D Optic cup volume. Horizontal bars indicate 95% confidence intervals (95% CIs). Total indicates the total number of participants’ eyes for which the mean and standard deviation were calculated. SMD standardized mean difference, SD standard deviation, pRNFL peripapillary retinal nerve fiber layer, mGCL-IPL macular ganglion cell layer-inner plexiform layer.