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Table 2 Study protocol items of the trial

From: CASS (CyanoAcrylate closure versus Surgical Stripping for incompetent saphenous veins) study: a randomized controlled trial comparing clinical outcomes after cyanoacrylate closure and surgical stripping for the treatment of incompetent saphenous veins

 

Study period

Screening

Procedure

3 days

1 month

3 months

6 months

12 months

24 months

Outpatient visit

√

 

√

√

√

√

√

√

Physical examination

√

 

√

√

√

√

√

√

Duplex examination

√

 

√

 

√

 

√

√

Inclusion criteria

√

       

Randomization

 

√

      

VCSS

√

  

√

√

√

√

√

Quality of life score – AVVQ

√

  

√

√

√

√

√

VAS pain score

√

√

√

     

Ecchymosis

  

√

√

    

Other adverse events

 

√

√

√

√

√

√

√

  1. VCSS Venous Clinical Severity Score, AVVQ Aberdeen Varicose Vein Questionnaire, VAS Visual Analog Scale