Ioana Varvari, Thomas Dewhurst, Corinne Jones, Richard Haslam
The new Foundation Programme Mental Health Curriculum: foundation doctors' perceptions of its importance and their competency: pre-post psychiatric placement evaluation study
BJPsych bulletin
helicopter emergency medical services hems frequently used transport injured children despite unclear evidence benefit study objective evaluate association hems compared ground emergency medical services gems transport outcomes national sample pediatric trauma patients patients 15 years younger undergoing scene transport hems gems national trauma data bank 2007 2012 included propensity score matching used match hems gems patients likelihood hems transport based demographics prehospital physiology time injury severity geographic region absolute standardized differences less 01 indicated adequate covariate balance groups matching primary outcome inhospital survival secondary outcome discharge disposition survivors conditional logistic regression determined association hems versus gems transport outcomes controlling demographics admission physiology injury severity nonaccidental trauma inhospital complications accounted propensity score subgroup analysis performed patients transport time greater 15 minutes capture patients potential hems transport total 25700 hemsgems pairs matched 166594 patients groups well matched propensity score variables absolute standardized differences less 01 matched patients hems associated 72 increase odds survival compared gems adjusted odds ratio 172 95 confidence interval 126236 p 001 transport mode associated discharge disposition p 047 subgroup analysis included 17657 hemsgems pairs hems associated significant increase odds survival adjusted odds ratio 181 95 confidence interval 124265 p 001 transport mode associated discharge disposition p 058 scene transport hems associated improved odds survival compared gems pediatric trauma patients study warranted understand underlying mechanisms develop specific triage criteria hems transport population therapeutic study level iii