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Survival curve in 180 days based on the BSEEG category. (A) Two BSEEG categories in 228 subjects (replication cohort). (B) Three BSEEG categories in 228 subjects (replication cohort). (C) Two BSEEG categories in 502 subjects (discovery and replication cohorts). (D) Three BSEEG categories in 502 subjects (discovery and replication cohorts). BSEEG, bispectral electroencephalography; B (-), BSEEG-negative; B (+), BSEEG-positive.
