“…Two studies 44 , 51 reported an occlusion rate of 59.1% (13/22) at the final follow-up when the FDSs covered PICA branches. After excluding the two studies 39 , 58 , a total of 97.4% of patients (95% CI: 95.5–98.8%; I 2 , 54.3%, Table S4, Supplemental Digital Content 2, http://links.lww.com/JS9/B226 and Figure S5, Supplemental Digital Content 2, http://links.lww.com/JS9/B226 ) showed an ideal clinical outcome, albeit with large heterogeneity 10 , 11 , 14 , 16 , 17 , 19 , 20 , 22 , 29 , 35 , 38 , 41 , 42 , 45 , 46 , 50 , 55 – 58 , 60 , 65 . Subgroup analysis indicated a relatively lower heterogeneity among studies in America (rate, 95.3%; 95% CI: 91.9–97.9%; I 2 , 0.0%) and Europe (rate, 96.5%; 95% CI: 90.6–99.9%; I 2 , 44.0%), compared to those in Asia (rate, 98.4%; 95% CI: 94.0–100.0%; I 2 , 85.5%, Fig.…”