%0 Journal Article %T Circadian variability of the initial Glasgow Coma Scale score in traumatic brain injury patients %A Caitlin K. Robinson %A Catherine G. Suen %A Ethan A. Winkler %A Geoffrey T. Manley %A Hansen Deng %A John F. Burke %A John K. Yue %A Laura B. Ngwenya %A Pavan S. Upadhyayula %A Phiroz E. Tarapore %A Romain Pirracchio %A Sanjay S. Dhall %J Archive of "Neurobiology of Sleep and Circadian Rhythms". %D 2017 %R 10.1016/j.nbscr.2016.09.002 %X The Glasgow Coma Scale (GCS) score is the primary method of assessing consciousness after traumatic brain injury (TBI), and the clinical standard for classifying TBI severity. There is scant literature discerning the influence of circadian rhythms or emergency department (ED) arrival hour on this important clinical tool %K CAD %K coronary artery disease %K CCI %K Charlson Comorbidity Index %K CI %K confidence interval %K COPD %K chronic obstructive pulmonary disease %K CRSD %K circadian rhythm sleep disorder %K ED %K emergency department %K GABA %K gamma-aminobutyric acid %K GCS %K Glasgow Coma Scale %K ICD-9 %K International Classification of Diseases %K 9th Revision %K ICU %K intensive care unit %K IQR %K interquartile range %K ISS %K injury severity score %K MVA %K motor vehicle accident %K NSP %K National Sample Program %K NTDB %K National Trauma Data Bank %K OR %K odds ratio %K REM %K rapid eye movement %K RHT %K reticulohypothalamic tract %K SCN %K suprachiasmatic nucleus %K SD %K standard deviation %K SE %K standard error %K TBI %K traumatic brain injury Circadian %K Emergency department %K Glasgow Coma Scale %K Hospital admission %K Neurologic deficit %K Traumatic brain injury %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6575566/