Fig. 2

mRS scores of the CAA group at the time of discharge. mRS scores of patients in the CAA group with or without postoperative rebleeding at the time of discharge. An mRS score of 0 indicates no symptoms at all, a score of 1 indicates no significant disability despite symptoms, a score of 2 indicates mild disability, a score of 3 indicates moderate disability, a score of 4 indicates moderately severe disability, a score of 5 indicates severe disability, and a score of 6 indicates death. mRS: Modified Rankin scale