Preexisting psychiatric illness worsens acute care outcomes after orthopaedic trauma in obese patients

Pre-existing psychiatric illness, illicit drug use, and alcohol abuse adversely impact patients with orthopaedic trauma injuries. Obesity is an independent factor associated with poorer clinical outcomes and discharge disposition, and higher hospital resource use. It is not known whether interactions exist between pre-existing illness, illicit drug use and obesity on acute trauma care outcomes. This cohort study is from orthopaedic trauma patients prospectively measured over 10 years (N = 6353). Psychiatric illness, illicit drug use and alcohol were classified by presence or absence. Body mass index (BMI) was analyzed as both a continuous and categorical measure (