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Table 3 Study procedures

From: DISCOVER: Dutch Iliac Stent trial: COVERed balloon-expandable versus uncovered balloon-expandable stents in the common iliac artery: study protocol for a randomized controlled trial

 

Pre-ope-rative

Per-ope-rative

1 month

6 months

12 months

24 months

In case of restenosis

DUS

X

  

X

X

X

X

ABI (with or with-out treadmill test)

X

 

X

X

X

X

X

DSA

 

X

    

X

WIQ/RAND-36

X

 

X

X

X

X

 
  1. DUS = Duplex ultrasonography, ABI = Ankle-brachial index, DSA = Digital subtraction angiography, WIQ = Walking Impairment Questionnaire, RAND-36 = RAND 36-Item Health Survey.