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Table 2 Study visits of the BaFO trial

From: Standard abdominal wound edge protection with surgical dressings vs coverage with a sterile circular polyethylene drape for prevention of surgical site infections (BaFO): study protocol for a randomized controlled trial

Activity

Visit 1 (screening)

Visit 2 (randomization)

Visit 3 (operation)

Visit 4 (postop day 2)

Visit 5 (postop day 4)

Visit 6 (postop day 6)

Visit 7 (postop day 8)

Visit 8 (postop days 10 to 14)

Visit 9 (postop days 30 to 45)

Demographics and baseline clinical data

X

        

Inclusion/exclusion

X

        

Physical examination

X

        

Patient information and informed consent

X

        

Blood samplinga

X

        

Randomization

 

X

       

Temperature measurement

  

X

      

Wound documentation

   

X

X

X

X

X

X

Mibi swabc

   

X

X

X

X

X

X

Measurement of wound diameter

   

X

     
  1. aBlood sampling: Serum: sodium, potassium, creatinin, C-reactive protein, total protein, blood urea nitrogen, glutamic-pyruvic transaminase, glutamic-oxaloacetic transaminase, γ-glutamyl transpeptidase, pseudocholinesterase, alkaline phosphatase, glucose; blood count: leucocytes, erythrocytes, hemoglobin, hematocrit, mean corpuscular hemoglobin, mean corpuscular volume, mean corpuscular hemoglobin concentration, platelets; Coagulation: quick (international normalized ratio), prothrombin time.
  2. bOne blood sampling between postoperative day 4 to 8 (visits 5 to 7).
  3. cIn case of a surgical site infection, a microbiological swab according to local practice should be obtained for microbiological specification and antimicrobial testing.