Association Between Charlson Comorbidity Index Items and Outcomes in Patients With Blunt Trauma Using a Nationwide Trauma Registry Database in Japan

Comorbidities that can affect the prognosis of blunt trauma were identified from the items in the original CCI. It is beneficial for emergency medical personnel to know about pre-existing comorbidities associated with the prognosis of blunt trauma cases when selecting a transport facility before arrival at the hospital, and the condition of trauma cases with pre-existing or dysfunctional major organs, such as the liver, kidneys, heart, and lungs, should not be underestimated.