Prospective studies / Humans / United States / Female / Male / Clinical Sciences / Middle Aged / Adult / Public health systems and services research / GCS / Rehabilitation Centers / Disorders of Consciousness / Cross Sectional Studies / Brain injuries / Trauma Severity Indices / Clinical Sciences / Middle Aged / Adult / Public health systems and services research / GCS / Rehabilitation Centers / Disorders of Consciousness / Cross Sectional Studies / Brain injuries / Trauma Severity Indices