Research Paper Volume 12, Issue 3 pp 2939—2951

Atorvastatin reduces cerebral vasospasm and infarction after aneurysmal subarachnoid hemorrhage in elderly Chinese adults

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Figure 4. Subgroup analyses for primary outcome Subgroup analyses for good outcome (GOS 5), RR=risk ratio. (A) Subgroup analyses for good outcome (GOS 5) in age, Hunt-Hess, clot size and surgical procedure, gender and aneurysm size showed no difference between groups. (B) Heterogeneity test showed no heterogeneity in age, Hunt-Hess, clot size and surgical procedure subgroups (I2=0); gender (I2=9%) and aneurysm size (I2=28%) subgroups had no significant heterogeneity.