Additional file 2: of Intensive care at the end of life in patients dying due to non-cancer chronic diseases versus cancer: a nationwide study in Denmark

Modification of Charlson comorbidity index by causes of death. *If these diseases were present in patients as the underlying cause of death, as indicated by the shaded boxes, no points were added to the CCI score. For example, a person with myocardial infarction and ulcer disease as comorbidities who died as a result of ischemic heart disease will have a CCI score of myocardial infarction (1) + ulcer disease (1) = total CCI score (2) and points for underlying cause of death, ischemic heart disease (1) = total modified CCI score (1). †These diseases were not present as underlying causes of death. (PDF 63 kb)