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Table 1 Schedule of enrolment, interventions and assessments

From: The ACUTE (Ambulance CPAP: Use, Treatment effect and economics) feasibility study: a pilot randomised controlled trial of prehospital CPAP for acute respiratory failure

 

Study period

 

Enrolment

Allocation

Post-allocation

Time point

0–5 min

5–10 min

10–60 min

1–5 h

1–29 days

30 days

30–37 days

Enrolment

 Eligibility screen

X

      

 Informed consent

X

   

X

  

 Allocation

 

X

     

Interventions

 CPAP

  

X

    

 Standard oxygen therapy

  

X

    

Assessments

 Patient characteristics

X

X

X

    

 ED physiology and treatments

   

X

   

 Hospital treatments

    

X

  

 Clinical outcomes

     

X

 

 Quality of life and health resource use

      

X