Uninsured patients with traumatic injuries, such as car crashes, falls, and gunshot wounds, were almost twice as likely to die in the hospital as similarly injured patients with health insurance, according to a new study. The findings by Harvard University researchers surprised doctors and health experts who have believed emergency room care was equitable. The researchers couldn't pin down the reasons behind the differences they found. The uninsured might experience more delays being transferred from hospital to hospital. Or they might get different care. Or they could have more trouble communicating with doctors. The hospitals that treat them also could have fewer resources.