Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Patient selection method for overall linkage. ICD-9-CM, International Classification of Diseases, 9th revision, Clinical Modification; ICP, intracranial pressure; NTDB, National Trauma Data Bank; PHIS, pediatric health information systems; TBI, traumatic brain injury. a 2,261 linked pairs with missing Glasgow Coma Scale excluded. b Length of stay > 24 hours and non-missing disposition
