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Forest plot of the IA location distribution at the posterior circulation level. A fixed effect model was chosen for an interstudies heterogeneity I2≤70% and a random effect model for a I2>70%. An odds ratio >1 favors the location to Autosomal dominant polycystic kidney disease (ADPDK) condition. CI, confidence interval; OR, odds ratio; Pcom, posterior communicating artery; UCAS, Unruptured Cerebral Aneurysms Study.
