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Table 1 Study measurements

From: The PRECious trial PREdiction of Complications, a step-up approach, CRP first followed by CT-scan imaging to ensure quality control after major abdominal surgery: study protocol for a stepped-wedge trial

 

Study period

 

Enrolment

Allocation

Post-allocation

  

Close-out

Time point

Pre-operative

Pre-operative

Surgery

POD 2

POD 3

POD 4

POD 5

Discharge

3 Mo

12 Mo

tx

Enrolment

Eligibility screen

X

          

Informed consent

X

          

Allocation

 

X

         

Interventions

Control group

 

X

         

 CRP measurement

   

X

X

X

X

    

 QOL questionnaire

 

X

    

X

 

X

X

 

PRECious group

 CRP measurement

   

X

X

X

X

    

 CT if CRP >140 mg/L

    

X

X

X

    

 QOL questionnaire

 

X

    

X

 

X

  

Assessments

Control group

 List baseline variables

 

X

         

 List operative data

  

X

        

 List admission data

       

X

   

 Quality of life

 

X

    

X

 

X

X

 

 List morbidity

       

X

X

X

 

 List survival

       

X

X

X

 

PRECious group

 List baseline variables

 

X

         

 List operative data

  

X

        

 List admission data

       

X

   

 Quality of life

 

X

    

X

 

X

X

 

 List morbidity

       

X

X

X

 

 List survival

       

X

X

X

X

  1. POD postoperative day, Mo months, CRP C-reactive protein, CT computed tomography scan, QOL Quality of Life, Tx end of protocol