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Objective: To investigate long-term survival, neurologic outcome, and quality of life in patients with spontaneous supratentorial intracerebral hemorrhage (ICH) treated with craniotomy and hematoma evacuation.

Methods: A nationwide multicenter retrospective analysis of 341 patients who underwent craniotomy and evacuation of supratentorial ICH between January 1, 2011, and December 31, 2015, was performed. Baseline characteristics associated with 6-month mortality and long-term mortality were investigated. Survivors received a questionnaire about their state of health from which EuroQol 5D (EQ-5D) and modified Rankin scale (mRS) were obtained. Predictors of mortality, unfavorable outcome, and life quality were analyzed.

Results: The mean follow-up time was 55.2 months. Predictors of 6-month mortality in multiple regression analysis were age >= 75 years, previous myocardial infarction, lower level of consciousness, and mechanical ventilation. Predictors of long-term mortality were higher age and mechanical ventilation. At follow-up, 49.5% of survivors had a favorable neurologic outcome (mRS <= 3). Predictors of an unfavorable functional outcome were higher age and ICH volume >= 50 mL. The mean EQ-5D health index was 0.719, and the mean EQ-5D visual analog scale score was 53.9. In multiple regression, only a higher mRS score was significantly associated with worse life quality.

Conclusions: Knowledge about survival, functional outcome, and life quality as well as their predictors in this specific patient group is previously primarily described in short-term follow-up. This multicenter study provides novel information in the long-term perspective, which is important for improved surgical decision-making and prognostication.