Fig. 3
From: Design and implementation of a large and complex trial in emergency medical services
Timeline for hospital communications. Early correspondence with hospitals took the form of a trial introduction letter which answered the question “Why do Acute Trusts need to know about this trial”. Follow-up correspondence was sent 2 months later; this provided a trial design summary and information about the incentives the hospital would receive if they admitted an AIRWAYS-2 participant. Further correspondence was sent 1 month later; this provided targeted information answering common questions received from the hospitals. SSI site-specific information