title: Differences between groups.
authors.forename: Armin
authors.initials: A
authors.lastname: Lugeder
mesh_terms: D001930:Brain Injuries / Q000401:mortality*; D005260:Female; D017052:Hospital Mortality; D006801:Humans; D006973:Hypertension / Q000401:mortality*; D008297:Male; D009104:Multiple Trauma / Q000401:mortality*; D012042:Registries