Additional file 1.

Table S1. Predictive risk factors with according studies derived from the clinical question: 'Which adult patients with minimal, mild and moderate head injury need a head CT and which patients may be directly discharged?' showing corresponding positive likelihood ratio (PLR), negative likelihood ratio (NLR), prevalence for the reference test (CT findings (CT)), intracranial injury (ICI) and neurosurgery (NS)) and the risk factor prevalence. CT = computed tomography.

Format: DOC Size: 671KB Download file

This file can be viewed with: Microsoft Word Viewer

Undén et al. BMC Medicine 2013 11:50   doi:10.1186/1741-7015-11-50