Fig. 2From: Multifaceted implementation and sustainability of a protocol for prehospital anaesthesia: a retrospective analysis of 2115 patients from helicopter emergency medical servicesProgress of A on-scene time and B first-pass success rate before, during, and after implementation of protocol. On-scene time is presented as annual median with interquartile range and first-pass success rate as a percentage with 95% CIBack to article page