Table 2.

Eligibility criteria for the selection of papers

	Inclusion	Exclusion
Population	Adults survivors of cardiac arrest receiving resuscitation in hospital	Animal studies; paediatrics
Intervention	CPR duration described as collapse to ROSC	Prehospital ROSC; additional interventions including but not limited to extracorporeal resuscitation, therapeutic hypothermia
Outcomes measured	Neurological outcome of survivors of CPR	Studies in which CPR duration is not compared with neurological outcome
Type of article	Research studies	Case studies
Language	English	Papers not published in English
Date	Published from 01/01/2010	Published prior to 2010