Prediction of Long-term Survival After Status Epilepticus Using the ACD Score.

Importance: Early prediction of long-term mortality in status epilepticus is important given the high fatality rate in the years after diagnosis.

Objective: To improve prognostication of long-term mortality after status epilepticus diagnosis.

Design, Settings, And Participants: This retrospective, multicenter, multinational cohort study analyzed adult patients who were diagnosed with and treated for status epilepticus at university hospitals in Odense, Denmark, between January 1, 2008, and December 31, 2017, as well as in Oslo, Norway; Marburg, Germany; and Frankfurt, Germany.