Methods
Study Design
The Air Versus Oxygen in Myocardial Infarction (AVOID) study was a multicentre, prospective,
open label, randomised trial. The study was conducted by Ambulance Victoria and nine
metropolitan hospitals that provide 24 hour percutaneous coronary intervention (PCI) services in
Melbourne, Australia between October 2011 and July 2014. The trial design was registered with
clinicaltrials.gov (NCT01272713) and has been reported previously.15