“…and injury severity score (ISS) were obtained from the trauma registry. Admission BACs were obtained from the Shock Trauma Center's toxicology database, which is housed and maintained at the National Study Center for Trauma and Emergency Medical Systems at the University of Maryland at Baltimore (Soderstrom et al, 1997a(Soderstrom et al, , 2001b. According to clinical protocol, BAC is routinely determined upon admission to the trauma center; hence, BAC results are available for over 95% of admitted patients (Dischinger et al, 2001).…”