This limitation has also been noted in studies of Traumatic Brain Injury Model Systems (TBIMS) cohorts.
Abbreviations: DVBIC = Defense and Veterans Brain Injury Center, FIM = Functional Independence Measure, LOC = length of coma, MMT = manual muscle testing, PTA = posttraumatic amnesia, TBI = traumatic brain injury, TBIMS = Traumatic Brain Injury Model Systems, VA = Department of Veterans Affairs, VAMC = VA medical center.