Concussion symptom inventory: an empirically dirived scale for monitoring resolution of symptoms following sport-related concussion

Short Title:
Model System:
TBI
Reference Type:
Journal Article
Accession No.:
J58970
Journal:
ARCHIVES OF CLINICAL NEUROPSYCHOLOGY
Year, Volume, Issue, Page(s):
2009, vol. 24, issue 3, pp 219-229
Publication Website:
Abstract:
Self-report post-concussion symptom scales have been a key method for monitoring recovery from sport-related concussion, to assist in medical management, and return-to-play decision-making. To date, however, item selection and scaling metrics for these instruments have been based solely upon clinical judgment, and no one scale has been identified as the "gold standard". We analyzed a large set of data from existing scales obtained from three separate case??conlrol studies in order to derive a sensitive and efficient scale for this application by eliminating items that were found to be insensitive to concussion. Baseline data from symptom checklists including a total of 27 symptom variables were collected from a total of 16,350 high school and college athletes. Follow-up data were obtained from 641 alhletes who subsequently incurred a concussion. Symptom checklists were administered at baseline (preseason), immediately post-concussion, postgame, and at I, 3, and 5 days post-injury. Effect-size analyses resulted in the retention of only 12 of the 27 variables. Receiver-operating characteristic analyses were used to confinn that the reduction in items did not reduce sensitivity or specificity. The newly derived Concussion Symptom Inventory is presented and recommended as a research and clinical tool for monitoring recovery from sport-related concussion.
Author(s):
Randolf C., Millis S., Barr W.B., McCrea M., Guskiewicz K.M., Hammeke T.A., et al
Author Address(es):

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