A logistic regression analysis of traumatic brain injury risk in motor vehicle collisions.

Author(s)
Beaver, M.C.
Year
Abstract

Early primate studies demonstrated a strong correlation between closed head injury (CHI) and sagittal plane angular acceleration of the head. These findings led A.K. Ommaya and A.E. Hirsch in 1971 to propose a theoretical estimate for the angular acceleration necessary to produce a 50% probability of concussion in humans. This scientific poster presents a study that re-examines the results of the primate studies. A logistic regression analysis was utilized to determine: (1) the angular acceleration necessary to produce a 50% probability of CHI in humans; and (2) the full range of probabilities of injury as a function of angular acceleration of the head. The resulting curve has the characteristic "S" shape with the point of 50% characteristic "S" shape with the point of 50% probability of CHI at the value of approximately 1800 radians per second squared as theorized by A.K. Ommaya and A.E. Hirsch.

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Publication

Library number
C 9087 (In: C 9037 S) /84 / IRRD 893941
Source

In: Proceedings of the 40th Annual Conference of the Association for the Advancement of Automotive Medicine AAAM, Vancouver, British Columbia, October 7-9, 1996, p. 538

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