Author: Amy Brammer, Jessica Pemberton and Kathy Cookman

Trauma program leaders use trauma scores to monitor and improve quality of care. Three of the most important trauma scores are the Injury Severity Score (ISS), the New Injury Severity Score (NISS) and the Trauma Injury Severity Score (TRISS). ISS and NISS are very similar, and TRISS is based in part on ISS. All three…