Additional file 2: of Protocol based evaluation for feasibility of extubation compared to clinical scoring systems after major oral cancer surgery safely reduces the need for tracheostomy: a retrospective cohort study

Details of the evaluated clinical scoring systems (shows the parameters of each of the evaluated scoring systems). (DOCX 17 kb

Additional file 1: of Protocol based evaluation for feasibility of extubation compared to clinical scoring systems after major oral cancer surgery safely reduces the need for tracheostomy: a retrospective cohort study

Additional statistical analysis (shows univariate and multivariate Analysis of potential risk factors for tracheostomy). (DOCX 20 kb