TABLE 3. Specific classifications and characteristics of patients with acute intracranial hematoma after burr hole craniostomy with closed-system drainage.

^*“mRS 0” means “no symptoms at all” and “mRS 6” means “death”. The higher the score, the higher the disability, ^†Acute intracranial hematoma developed immediately after the removal of drainage catheter. M: male, F: female, CSDH: chronic subdural hematoma, BCD: burr hole craniostomy and closed-system drainage, EDH: epidural hematoma, SDH: subdural hematoma, ICH: intracranial hemorrhage, POD: postoperative day, mRS: modified Rankin Scale