| ER | Emergency room |
| GCS | Glasgow Coma Scale |
| ICH | Intracerebral hemorrhage |
| IVH | Intraventricular hemorrhage |
| KNHANES | Korean National Health and Nutrition Examination Survey |
| KOSCO | Korean Stroke Cohort for Functioning and Rehabilitation |
| mRS | Modified Rankin Scale |
| NHIS-HEALS | National Health Insurance Service-Health Screening Cohort |
| NIHSS | National Institute of Health Stroke Scale |
| SAH | Subarachnoid hemorrhage |