Fig. 2From: Hydrogel coils versus bare platinum coils for the endovascular treatment of intracranial aneurysms: a meta-analysis of randomized controlled trialsThe pooled relative risk of the periprocedural efficacy and safety outcome. The diamond indicates the estimated relative risk (95% confidence interval) for all patients together. A, Complete occlusion. B, Failed procedure. C, Coil migration. D, Perforation. E, Thromboembolic complication. F, Periprocedural residual neck. G, Periprocedural residual aneurysmBack to article page