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Background: The ability to predict poor outcome is important for patient care and treatment decision-making in cases of intracerebral hemorrhage (ICH). Previous studies have included relatively brief follow-up periods and small numbers of patients, and are limited in terms of considerations regarding individual brain vulnerabilities.

Methods: The authors prospectively enrolled 1,321 ICH patients nationwide from 33 hospitals. Clinical, laboratory, and imaging variables, including white matter lesions (WMLs), were collected at admission. Immediate outcome after ICH was measured using total Glasgow Coma Scale (GCS) score at admission, early outcome using 30-day mortality, and long-term outcome using relative risk for mortality. The vital status of included patients was ascertained on December 31, 2006, using Korean National Death Certificates (mean follow-up, 32.6 months).

Results: Of the 1,321 ICH …