A mixed psychiatric and somatic care unit for trauma patients: 10 years of experience in an urban level I trauma center in the Netherlands.

Background: A medical-psychiatric unit (MPU) is a special ward where staff is trained in caring for patients with psychiatric or behavioural problems that need hospitalisation for physical health problems. It is well known that these patients are at higher risk of complications and have a longer length of stay resulting in higher costs than patients without psychiatric comorbidity. The objective of this study was to analyse the trauma patient population of the first 10 years of existence of the MPU in a level I trauma center.