Fig. 3From: Open-chest versus closed-chest cardiopulmonary resuscitation in blunt trauma: analysis of a nationwide trauma registryThe results of subgroup analysis for the primary outcome. Odds ratios for survival to hospital discharge [95% confidence interval] in each subgroup and p values for interaction between subgroups are presented. OCCPR open-chest cardiopulmonary resuscitation, CCCPR closed-chest cardiopulmonary resuscitation, CI confidence interval, EMS emergency medical services, ED emergency department, ISS injury severity score, AIS abbreviated injury scaleBack to article page