Study Finds Trauma Survivors Experience Significant Long-Term Quality of Life Decline, Regardless of Severity of Injury. Researchers compared the health and well-being of patients who suffered from severe trauma and polytrauma, a more severe type of injury, 10 years after their initial injury. The study found that both groups experienced significant declines in quality of life, with polytrauma patients showing more physical impairments and pain, but no significant differences in psychological or social outcomes. The study's findings suggest that trauma survivors face long-term challenges in their physical and emotional well-being, regardless of the severity of their initial injury.