Fig 2.

Area under the receiver operating curves for the National Early Warning Score and 33 other early warning score systems previously evaluated using the system scores relative to each outcome studies. 35,585,patient episodes and 198,755 vital signs datasets. ICU = intensive care unit; NEWS = National Early Warning Score. Adapted with permission from Smith GB, Prytherch DR, Meredith P, Schmidt PE, Featherstone PI. The ability of the National Early Warning Score (NEWS) to discriminate patients at risk of early cardiac arrest, unanticipated intensive care unit admission, and death. Resuscitation 2013;84:465–70.