Abstract P4 Table 1

Sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) for intracranial injury (ICI) on CT for children with neurological symptoms/signs and for children with neurological symptoms/signs or facial/head bruising

ICI on CTNormal CT
Positive neurological signs/symptoms2510PPV 71%
Negative neurological signs/symptoms648NPV 89%
Sensitivity 81%Specificity 83%
ICI on CTNormal CT
Positive neurological signs/symptoms or facial/head bruising3128PPV 53%
Negative neurological signs/symptoms and no facial/head bruising 030NPV 100%
Sensitivity 100%Specificity 52%