The utility of the Abbreviated Injury Scale (AIS) and the Injury Severity Score (ISS) were tested for their ability to predict functional disability at time of discharge from the hospital and changes in functional disability for periods up to 1 year following discharge. It is shown that the AIS of the most severe extremity and spine injury carry considerably more weight when predicting functional status at discharge than do the AIS scores of injuries to any other body region.
Abstract